Metrohm 882 User Manual
882 Compact IC plus
882 Compact IC plus – Anion – MCS
Manual
8.882.8013EN
Metrohm AG
CH-9100 Herisau
Switzerland
Phone +41 71 353 85 85
Fax +41 71 353 89 01
info@metrohm.com
www.metrohm.com
882 Compact IC plus
882 Compact IC plus – Anion – MCS
2.882.0030
8.882.8013EN
Manual
05.2011 zst
Teachware
Metrohm AG
CH-9100 Herisau
teachware@metrohm.com
This documentation is protected by copyright. All rights reserved.
Although all the information given in this documentation has been
checked with great care, errors cannot be entirely excluded. Should you
notice any mistakes please send us your comments using the address
given above.
Documentation in additional languages can be found on
http://products.metrohm.com under Literature/Technical documenta-
tion.
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Table of contents
1 Introduction 1
1.1 Instrument description ......................................................... 1
1.2 About the documentation ................................................... 2
1.2.1 Symbols and conventions ........................................................ 3
1.3 Intended use ......................................................................... 4
1.4 Safety instructions ................................................................ 4
1.4.1 General notes on safety ........................................................... 4
1.4.2 Electrical safety ........................................................................ 4
1.4.3 Tubing and capillary connections ............................................. 6
1.4.4 Flammable solvents and chemicals ........................................... 6
1.4.5 Recycling and disposal ............................................................. 6
2 Overview of the instrument 7
2.1 Front ...................................................................................... 7
Table of contents
2.2 Rear ........................................................................................ 8
3 Installation 10
3.1 About this chapter .............................................................. 10
3.2 Initial installation ................................................................ 10
3.3 Installation diagram ........................................................... 14
3.4 Setting up the instrument .................................................. 17
3.4.1 Packaging .............................................................................. 17
3.4.2 Checks .................................................................................. 17
3.4.3 Location ................................................................................ 17
3.5 Capillary connections in the IC system ............................. 17
3.6 Installations on the rear of the instrument ...................... 20
3.6.1 Transport locking screws ....................................................... 20
3.6.2 Leak sensor ........................................................................... 20
3.6.3 Drainage tubings ................................................................... 21
3.7 Capillary and cable feed-throughs .................................... 23
3.8 Eluent ................................................................................... 25
3.8.1 Connecting eluent bottle ....................................................... 25
3.9 High pressure pump ........................................................... 29
3.9.1 Capillary connections high pressure pump/purge valve ........... 29
3.9.2 Deaerating the high pressure pump ....................................... 32
3.10 Inline filter ........................................................................... 34
3.11 Pulsation absorber ............................................................. 35
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III
Table of contents
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3.12 Injection valve ..................................................................... 36
3.12.1 Connecting the injection valve ............................................... 36
3.12.2 Mode of operation of the injection valve ............................... 38
3.12.3 Selecting the sample loop ...................................................... 39
3.13 Peristaltic pump .................................................................. 39
3.13.1 Principle of the peristaltic pump ............................................. 39
3.13.2 Installing the peristaltic pump ................................................ 41
3.14 Metrohm Suppressor Module (MSM) ............................... 45
3.14.1 Connecting the suppressor .................................................... 45
3.15 Metrohm CO2 Suppressor (MCS) ....................................... 48
3.15.1 General information on the MCS ........................................... 48
3.15.2 Connecting MCS ................................................................... 48
3.15.3 Installing the adsorption cartridges ........................................ 50
3.16 Connecting the instrument ................................................ 52
3.16.1 Connecting the instrument to the PC ..................................... 52
3.16.2 Connecting the instrument to mains supply ........................... 52
3.17 Guard column ..................................................................... 53
3.18 Separation column ............................................................. 54
4 Start-up 57
4.1 Initial start-up ..................................................................... 57
4.2 Conditioning ........................................................................ 58
5 Operation and maintenance 60
5.1 General notes ...................................................................... 60
5.1.1 Care ...................................................................................... 60
5.1.2 Maintenance by Metrohm Service .......................................... 60
5.1.3 Operation .............................................................................. 61
5.1.4 Shutting down ...................................................................... 61
5.2 Capillary connections ......................................................... 61
5.2.1 Operation .............................................................................. 61
5.3 Door ..................................................................................... 62
5.4 Eluent ................................................................................... 62
5.4.1 Production ............................................................................. 62
5.4.2 Operation .............................................................................. 63
5.5 High pressure pump ........................................................... 63
5.5.1 Protection .............................................................................. 63
5.5.2 Maintenance ......................................................................... 64
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IV
5.6 Inline filter ........................................................................... 74
5.6.1 Maintenance ......................................................................... 74
5.7 Injection valve .................................................................... 76
5.7.1 Protection .............................................................................. 76
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Table of contents
5.8 Inline sample preparation .................................................. 76
5.9 Rinsing the sample path .................................................... 76
5.10 Peristaltic pump .................................................................. 78
5.10.1 Operation .............................................................................. 78
5.10.2 Maintenance ......................................................................... 78
5.11 Metrohm Suppressor Module (MSM) ............................... 80
5.11.1 Protection .............................................................................. 80
5.11.2 Operation Suppressor ........................................................... 81
5.11.3 Maintenance ......................................................................... 82
5.12 Metrohm CO2 Suppressor (MCS) ....................................... 87
5.12.1 Replacing the CO2 adsorption cartridge ................................. 87
5.12.2 Regenerating the H2O adsorption cartridge ............................ 87
5.13 Separation column ............................................................. 88
5.13.1 Separating efficiency .............................................................. 88
5.13.2 Protection .............................................................................. 88
5.13.3 Storage ................................................................................. 89
5.13.4 Regeneration ......................................................................... 89
5.14 Quality Management and validation with Metrohm ....... 89
6 Troubleshooting 91
6.1 Problems and their solutions ............................................. 91
7 Technical specifications 95
7.1 Reference conditions .......................................................... 95
7.2 Instrument ........................................................................... 95
7.3 Leak sensor ......................................................................... 95
7.4 Ambient conditions ............................................................ 95
7.5 Housing ............................................................................... 96
7.6 High pressure pump ........................................................... 96
7.7 Injection valve ..................................................................... 97
7.8 Peristaltic pump .................................................................. 97
7.9 Metrohm Suppressor Module (MSM) ............................... 97
7.10 Metrohm CO2 Suppressor (MCS) ....................................... 98
7.11 Mains connection ............................................................... 98
7.12 Interfaces ............................................................................. 98
7.13 Safety specification ............................................................ 99
7.14 Electromagnetic compatibility (EMC) ................................ 99
7.15 Weight ............................................................................... 100
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Table of contents
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8 Conformity and warranty 101
8.1 Declaration of Conformity ............................................... 101
8.2 Quality Management Principles ...................................... 102
8.3 Warranty (guarantee) ....................................................... 103
9 Accessories 105
9.1 Scope of delivery .............................................................. 105
9.2 Optional accessories ........................................................ 115
Index 118
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VI
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Table of figures
Figure 1 Front 882 Compact IC plus – Anion – MCS ........................................ 7
Figure 2 Rear 882 Compact IC plus – Anion – MCS ......................................... 8
Figure 3 Installation diagram 882 Compact IC plus – Anion – MCS ................ 15
Figure 4 Connection of capillaries with pressure screws ................................ 18
Figure 5 leak sensor – plugging in ................................................................. 21
Figure 6 Drainage tubings ............................................................................. 22
Figure 7 Capillary and cable feed-throughs ................................................... 24
Figure 8 Installing eluent bottle attachment .................................................. 26
Figure 9 Mounting aspiration filter ................................................................ 26
Figure 10 Install tubing weighting and aspiration filter .................................... 27
Figure 11 Eluent aspiration tubing fully equipped. ........................................... 27
Figure 12 Eluent bottle – connected ............................................................... 28
Figure 13 Capillary connections high pressure pump/purge valve .................... 30
Figure 14 High pressure pump – Connect inlet ................................................ 31
Figure 15 Deaerate the high pressure pump .................................................... 33
Figure 16 Connecting the inline filter .............................................................. 35
Figure 17 Pulsation absorber – Connection ..................................................... 36
Figure 18 Injection valve – connected ............................................................. 37
Figure 19 Injection valve – Positions ................................................................ 38
Figure 20 Peristaltic pump ............................................................................... 40
Figure 21 Installing the pump tubing .............................................................. 41
Figure 22 Install pump tubing connection with filter ....................................... 42
Figure 23 Install pump tubing connection without filter .................................. 43
Figure 24 Suppressor – connection capillaries ................................................. 46
Figure 25 MCS – connection ........................................................................... 49
Figure 26 Adsorption cartridge holder ............................................................. 50
Figure 27 Pump head – removing the piston ................................................... 65
Figure 28 Components of the piston cartridge ................................................ 66
Figure 29 Tool for piston seal .......................................................................... 67
Figure 30 Removing the piston seal ................................................................. 68
Figure 31 Inserting the piston seal into the tool ............................................... 68
Figure 32 Inserting the piston seal into the pump head ................................... 69
Figure 33 Removing valves .............................................................................. 70
Figure 34 Dismantling valve ............................................................................ 71
Figure 35 Components of the inlet valve and outlet valve ................................ 72
Figure 36 Change filters (of the inline filter) ..................................................... 74
Figure 37 Pump tubing connection – Changing the filter ................................. 80
Figure 38 Parts of the suppressor .................................................................... 82
Table of figures
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VII
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1 Introduction
1.1 Instrument description
The instrument 882 Compact IC plus – Anion – MCS is one of the
model versions of the 882 Compact IC plus line of instruments manufactured by the Metrohm Company. The 882 Compact IC plus line of instruments is distinguished by:
￭ the intelligence of its components, which are able to monitor and
optimize all functions and to provide documentation according to FDA
requirements.
￭ its compact style of construction.
￭ its transparency. All components are easily accessible and arranged in
a clear manner.
￭ its safety. Chemicals and electronics are separated and a leak sensor is
integrated in the wet end.
￭ its environmental compatibility.
￭ its low noise emission.
1 Introduction
The instrument is operated with MagIC Net™ software. It is connected
via a USB connection to a PC on which MagIC Net™ is installed. The software automatically recognizes the instrument and checks its functional
readiness. MagIC Net™ controls and monitors the instrument, evaluates
the measured data and administers it in a database. The operation of
MagIC Net™ is described in the online help or in the tutorial for
MagIC Net™.
The instrument contains the following components:
High pressure pump
The intelligent and low pulsation high pressure pump pumps the eluent
through the system. It is equipped with a chip on which its technical specifications and "life history" (operating hours, service data, … ) are saved.
Inline filter
Inline filters protect the separation column securely against possible contamination from the eluent. Inline filters can however also just as well be
used for the purpose of protecting other sensitive components against
contaminations in the solutions used. The filter platelets with a pore size
of 2 µm can be replaced quickly and easily. They remove particles like e. g.
bacteria and algae from the solutions.
882 Compact IC plus – Anion – MCS
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1
1.2 About the documentation
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Pulsation absorber
The pulsation absorber protects the separation column from damage
caused by pressure fluctuations when switching the injection valve, and
reduces interfering pulsations during highly sensitive measurements.
Injection valve
The injection valve connects the eluent and sample path through rapid
and precise valve switchover. A precisely measured amount of sample
solution is injected and rinsed with eluent onto the separation column.
Peristaltic pump
The Peristaltic pump is used for pumping sample and auxiliary solutions. It
can rotate in both directions.
Metrohm Suppressor Module (MSM)
The MSM is used for chemical suppression in anion analysis with conductivity detection or UV detection.It is pressure-stable, robust and resistant
to solvents.
Metrohm CO2 Suppressor (MCS)
The Metrohm CO2 Suppressor (MCS) removes the CO2 from the eluent
flow. This reduces the background conductivity, improves the detection
sensitivity and minimizes the injection and carbonate peaks.
Separation column
The intelligent separation column is the heart of the ion chromatographic
analysis. It separates the different components corresponding to their
interactions with the column. Metrohm separation columns are equipped
with a chip on which their technical specifications and their history (first
use / setting up, operating hours, injections, …) are saved.
1.2 About the documentation
Caution
Please read through this documentation carefully before putting the
instrument into operation. The documentation contains information
and warnings which the user must follow in order to ensure safe operation of the instrument.
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882 Compact IC plus – Anion – MCS
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1.2.1 Symbols and conventions
The following symbols and styles are used in this documentation:
1 Introduction
Cross-reference to figure legend
The first number refers to the figure number, the
second to the instrument part in the figure.
Instruction step
Carry out these steps in the sequence shown.
Warning
This symbol draws attention to a possible life hazard
or risk of injury.
Warning
This symbol draws attention to a possible hazard due
to electrical current.
Warning
This symbol draws attention to a possible hazard due
to heat or hot instrument parts.
Warning
This symbol draws attention to a possible biological
hazard.
Caution
This symbol draws attention to a possible damage of
instruments or instrument parts.
Note
This symbol marks additional information and tips.
882 Compact IC plus – Anion – MCS
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3
1.3 Intended use
1.3 Intended use
The instrument 882 Compact IC plus – Anion – MCS is used for ion
chromatographic determination of anions or polar substances with
sequential suppression:
Sequential suppression consists of:
￭ Chemical suppression with the Metrohm Suppressor Module (MSM)
(see Chapter 3.14, page 45) and subsequent
￭ CO
2
ter 3.15, page 48).
The use of sequential suppression reduces background conductivity to a
minimum.
If required, the instrument can also be used for the determination of cations or anions without suppression.
This instrument is suitable for processing chemicals and flammable samples. The usage of the 882 Compact IC plus – Anion – MCS therefore
requires that the user has basic knowledge and experience in the handling
of toxic and caustic substances. Knowledge with respect to the application of the fire prevention measures prescribed for laboratories is also
mandatory.
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suppression with the Metrohm CO2 Suppressor (MCS) (see Chap-
1.4 Safety instructions
1.4.1 General notes on safety
Warning
This instrument may only be operated in accordance with the specifications in this documentation.
This instrument has left the factory in a flawless state in terms of technical
safety. To maintain this state and ensure non-hazardous operation of the
instrument, the following instructions must be observed carefully.
1.4.2 Electrical safety
The electrical safety when working with the instrument is ensured as part
of the international standard IEC 61010.
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882 Compact IC plus – Anion – MCS
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1 Introduction
Warning
Only personnel qualified by Metrohm are authorized to carry out service
work on electronic components.
Warning
Never open the housing of the instrument. The instrument could be
damaged by this. There is also a risk of serious injury if live components
are touched.
There are no parts inside the housing which can be serviced or replaced
by the user.
Mains voltage
Warning
An incorrect mains voltage can damage the instrument.
Only operate this instrument with a mains voltage specified for it (see
rear panel of the instrument).
Protection against electrostatic charges
Warning
Electronic components are sensitive to electrostatic charges and can be
destroyed by discharges.
Always pull the mains cable out of the mains connection socket before
connecting or disconnecting electrical appliances on the rear panel of
the instrument.
882 Compact IC plus – Anion – MCS
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5
1.4 Safety instructions
1.4.3 Tubing and capillary connections
Caution
Leaks in tubing and capillary connections are a safety risk. Tighten all
connections well by hand. Avoid applying excessive force to tubing
connections. Damaged tubing ends lead to leakage. Appropriate tools
can be used to loosen connections.
Check the connections regularly for leakage. If the instrument is used
mainly in unattended operation, then weekly inspections are mandatory.
1.4.4 Flammable solvents and chemicals
Warning
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All relevant safety measures are to be observed when working with
flammable solvents and chemicals.
￭ Set up the instrument in a well-ventilated location (e.g. laboratory
flue).
￭ Keep all sources of flame far from the workplace.
￭ Clean up spilled fluids and solids immediately.
￭ Follow the safety instructions of the chemical manufacturer.
1.4.5 Recycling and disposal
This product is covered by European Directive 2002/96/EC, WEEE – Waste
from Electrical and Electronic Equipment.
The correct disposal of your old equipment will help to prevent negative
effects on the environment and public health.
More details about the disposal of your old equipment can be obtained
from your local authorities, from waste disposal companies or from your
local dealer.
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882 Compact IC plus – Anion – MCS
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1
2
3
4
5
6
7
8
9
10
2 Overview of the instrument
2.1 Front
2 Overview of the instrument
Figure 1 Front 882 Compact IC plus – Anion – MCS
High pressure pump
1
Inline filter
3
Injection valve
5
Column holder
7
With column recognition.
Peristaltic pump
9
Metrohm CO2 Suppressor (MCS)
11
882 Compact IC plus – Anion – MCS
Purge valve
2
Pulsation absorber
4
Column chamber
6
Detector chamber
8
Room for the detector and the adsorption
cartridges for the MCS.
Metrohm Suppressor Module (MSM)
10
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7
2.2 Rear
21
1
20
1
18
17
19
15
14
12
11
109
8
13
7
6
5
4
3
1
1
2
16
Type
Made by Metrohm Herisau Switzerland
2.2 Rear
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Knurled screws
1
For fastening the removable rear panel.
Figure 2 Rear 882 Compact IC plus – Anion – MCS
Mains switch
2
For switching the instrument on and off.
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882 Compact IC plus – Anion – MCS
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2 Overview of the instrument
I = On
O = Off
Mains connection socket
3
For connecting the mains cable.
USB connectors
5
2 USB connectors labeled with USB 1 and
USB 2.
Detector connection socket
7
For connecting Metrohm detectors. Labeled
with Detector.
Drainage tubing connector
9
For draining the escaped liquid from the
base tray through the connected drainage
tubing.
Drainage tubing connector
11
For supplying escaped liquid through the
connected drainage tubing to the leak sensor.
Leak sensor connection socket
13
For connecting the leak sensor.
PC connection socket
4
For connecting the instrument to the computer with the USB cable (6.2151.020).
MSB connectors
6
2 MSB connectors for connecting MSB devices. Labeled with MSB 1 and MSB 2.
MSB = Metrohm Serial Bus
Serial number
8
Leak sensor connection cable
10
Extractable. For connecting the leak sensor.
Device type
12
Transport locking screws
14
For securing the high pressure pump when
transporting the instrument.
Service connection socket
15
For Metrohm service only.
Exhaust air opening
17
For extracting the air from the vacuum
chamber. Labeled with Exhaust.
Drainage tubing connector
19
For draining escaped liquid from the detector chamber through a connected drainage
tubing.
Drainage tubing connector
21
For draining escaped liquid from the flask
holder through a connected drainage tubing.
Auxiliary connection socket
16
For connecting a 891 Professional Analog
out (2.891.0010).
Transport locking screws
18
Not Used.
Rear panel
20
Removable. Access to the detector chamber.
882 Compact IC plus – Anion – MCS
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9
3.1 About this chapter
3 Installation
3.1 About this chapter
The Installation chapter contains:
￭ this overview.
￭ a brief set of instructions for the initial installation of the 882 Compact
IC plus – Anion – MCS. At each step you will find cross-references to
more detailed installation instructions for the individual components,
should you require such aids.
￭ an installation diagram (see Figure 3, page 15), showing a com-
pletely installed 882 Compact IC plus – Anion – MCS.
￭ several chapters (Chapter 3.4, page 17 and following) with detailed
installation instructions for all components, including those that are
already installed at the time the instrument is delivered.
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3.2 Initial installation
Note
A number of the capillaries is already connected at the time the instrument is delivered.
Installing 882 Compact IC plus – Anion – MCS
Install the instrument as follows:
1
Setting up the instrument
(see Chapter 3.4, page 17).
￭ Place the instrument in a location of the laboratory which is suita-
ble for operation and free of vibrations.
The installation site must be protected against corrosive atmosphere and contamination by chemicals. If possible, avoid excessive
temperature fluctuations and direct sunlight.
2
Installations on the rear of the instrument
￭ Place the detector in the instrument and connect it (see manual
of the detector).
￭ Remove transport locking screws (see Chapter 3.6.1, page 20).
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882 Compact IC plus – Anion – MCS
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3 Installation
￭ Connect the leak sensor (see Chapter 3.6.2, page 20).
￭ Connect the drainage tubings (see Chapter 3.6.3, page 21).
3
Connecting the eluent path
￭ Lead the eluent aspiration tubing (6.1834.080) out of the instru-
ment through a capillary feed-through and connect it with the
eluent bottle (see Chapter 3.8, page 25).
￭ Connect the column inlet capillary (6.1831.150) and the capillary
of the MSM labeled with in to one another using a coupling
(6.2744.040) and two short pressure screws (6.2744.070).
￭ Use a long pressure screw (6.2744.090) to connect the capillary
of the MSM labeled with out to the input of the of the MCS (see
"Connecting the MCS", page 49).
￭ Connect the detector inlet capillary with a long pressure screw
(6.2744.090) to the output of the MCS (see "Connecting the
MCS", page 49).
4
Connecting the sample path
￭ Guide the sample aspiration capillary connected to the sample
input of the injection valve out of the instrument through a capillary feed-through and connect it with the Sample Processor, if
applicable (see Sample Processor manual).
￭ Guide the sample outlet capillary connected to the sample output
of the injection valve out of the instrument through a capillary
feed-through and onward to the waste container and then fasten
it there.
5
Installing the peristaltic pump
(see Chapter 3.13.2, page 41)
882 Compact IC plus – Anion – MCS
￭ Prepare the pump tubing for the regeneration solution:
– Plug a tubing olive (6.2744.034) onto one end of the pump
tubing (6.1826.320).
– Plug a pump tubing connection (6.2744.180) onto the
other end of the pump tubing.
– Connect one end of the aspirating capillary (6.1803.020)
for the regeneration solution to the tubing olive on the
pump tubing using a short pressure screw (6.2744.070).
– Guide the other end of the aspirating capillary out of the
instrument through a capillary feed-through, slide it
through a bottle attachment (6.1602.150) and screw the
bottle attachment onto the bottle (6.1608.020) containing
the regeneration solution. Ensure that the end of the aspirating capillary reaches down to the bottom of the bottle.
– Place the pump tubing into a tubing cartridge.
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11
3.2 Initial installation
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￭ Prepare a pump tubing for the rinsing solution:
– Plug a tubing olive (6.2744.034) onto one end of the pump
tubing (6.1826.320).
– Plug a pump tubing connection (6.2744.180) onto the
other end of the pump tubing.
– Connect one end of the aspirating capillary (6.1803.020)
for the rinsing solution to the tubing olive on the pump
tubing using a short pressure screw (6.2744.070).
– Guide the other end of the aspirating capillary out of the
instrument through a capillary feed-through, slide it
through a bottle attachment (6.1602.150) and screw the
bottle attachment onto the bottle (6.1608.020) containing
the rinsing solution. Ensure that the end of the aspirating
capillary reaches down to the bottom of the bottle.
– Place the pump tubing into the other tubing cartridge.
￭ Place both tubing cartridges into the peristaltic pump.
6
Connecting the MSM
(see Chapter 3.14, page 45)
￭ Connect the capillary of the MSM labeled with regenerant to the
pump tubing connection of the pump tubing for the regeneration
solution using a short pressure screw (6.2744.070).
￭ Connect the capillary of the MSM labeled with rinsing solution
to the pump tubing connection of the pump tubing for the rinsing
solution using a short pressure screw (6.2744.070).
￭ Guide the two capillaries of the MSM labeled with waste reg.
and waste rins. out of the instrument through a capillary feed
through to a waste container and fasten them there.
7
Connecting the MCS
(see Chapter 3.15, page 48)
￭ Attach the CO
adsorption cartridge (6.2837.000) to the adsorp-
2
tion cartridge holder (6.2057.080) (see "Installing the adsorption
cartridges", page 51).
￭ Prepare the H
O adsorption cartridge (6.2837.010) (see leaflet to
2
the H2O adsorption cartridge) and attach it to the adsorption cartridge holder as well (see Figure 26, page 50).
￭ Plug the adapter (6.1808.190) onto the PVC tubing and connect
the two adsorption cartridges with one another (see Figure 26,
page 50).
￭ Place the adsorption cartridge holder (6.2057.080) in the detector
chamber.
￭ Connect the MCS air aspirating capillary to the tip of the CO
2
adsorption cartridge (6.2837.000).
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882 Compact IC plus – Anion – MCS
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8
Connecting the instrument
￭ Connect the instrument to a computer on which the software
MagIC Net™ is installed using the USB cable (6.2151.020) (see
Chapter 3.16.1, page 52).
￭ Connect the instrument to the mains supply (see Chapter 3.16.2,
page 52).
9
Initial start-up
(see Chapter 4.1, page 57)
￭ Switch on the PC and start the software MagIC Net™.
￭ Switch on the instrument.
￭ Deaerate the high pressure pump (see Chapter 3.9.2, page 32).
￭ Set contact pressure of the peristaltic pump (see "Set flow rate",
page 44).
￭ Rinse the instrument without column with eluent for 5 minutes.
10
Installing guard and separation column
￭ Remove the coupling (6.2744.040) between the column inlet
capillary and the capillary of the MSM labeled with in.
￭ Optional Connect guard column (see Chapter 3.17, page 53)
– Fasten the guard column to the end of the column inlet
capillary (see leaflet to the guard column).
– Rinse the guard column with eluent for approx. 5 minutes.
￭ Connect the separation column (see Chapter 3.18, page 54)
– Connect the inlet oft the separation column either with the
end of the column input capillary using a short pressures
screw (6.2744.070).
OR
Connect the inlet of the separation column with the guard
column (if used) (see leaflets to the separation column and
the guard column)
– Connect the MSM capillary labeled with in with the output
of the separation column using a short pressure screw
(6.2744.070).
￭ Hang separation column with chip in the column holder of the
instrument.
11
Conditioning the instrument
(see Chapter 4.2, page 58)
3 Installation
The instrument is now ready for measuring samples.
882 Compact IC plus – Anion – MCS
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13
3.3 Installation diagram
3.3 Installation diagram
The following installation diagram shows the schematics of the front of
the instrument after installation is complete. Many capillaries are already
installed at the time the instrument is delivered; these capillaries are not
numbered in the diagram. Numbered capillaries must be connected at the
time of installation.
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14
882 Compact IC plus – Anion – MCS
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1
2
6
18
18
17
7
8
9
10
11
12
13
14
3
4
18
19
20
18
16
5
15
21
22
3 Installation
Figure 3 Installation diagram 882 Compact IC plus – Anion – MCS
Eluent aspiration tube (6.1834.080)
1
Connected to the high pressure pump.
Column input capillary (6.1831.150)
2
Connected to the injection valve.
882 Compact IC plus – Anion – MCS
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15
3.3 Installation diagram
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MSM eluent input capillary
3
Labeled with in.
Detector input capillary
5
Mounted on the front of the detector.
Regeneration solution aspiration capil-
7
lary (6.1803.020)
MSM regeneration solution input capil-
9
lary
Labeled with regenerant.
Rinsing solution aspiration capillary
11
(6.1803.020)
MSM rinsing solution input capillary
13
Labeled with rinsing solution.
MCS aspirating capillary
15
For aspirating air low in CO2 out of the CO
adsorption cartridge.
MSM eluent output capillary
4
Labeled with out.
Detector output capillary
6
Mounted on the rear of the detector.
Pump tubing (6.1826.320)
8
With orange/yellow stoppers, for the regeneration solution.
MSM regeneration solution output
10
capillary
Labeled with waste reg.
Pump tubing (6.1826.320)
12
With orange/yellow stoppers, for the rinsing
solution.
MSM rinsing solution output capillary
14
Labeled with Waste rins.
Sample aspiration capillary
16
2
(6.1803.040)
Connected to the injection valve.
Sample output capillary (6.1803.040)
17
Connected to the injection valve.
Tubing olive (6.2744.034)
19
For connecting capillaries to the aspiration
side of the peristaltic pump.
PEEK pressure screw, long
21
(6.2744.090)
PEEK pressure screw, short
18
(6.2744.070)
Pump tube connection (6.2744.180)
20
With safety device and filter, for connecting
capillaries to the outlet side of the peristaltic
pump.
Luer coupling (6.2744.120)
22
Mounted to the MCS with a short pressure
screw (6.2744.070) (3-15) and connected
to the CO2 adsorption cartridge.
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882 Compact IC plus – Anion – MCS
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3.4 Setting up the instrument
3.4.1 Packaging
The instrument is supplied in highly protective special packaging together
with the separately packed accessories. Keep this packaging, as only this
ensures safe transportation of the instrument.
3.4.2 Checks
Immediately after receipt, check whether the shipment has arrived complete and without damage by comparing it with the delivery note.
3.4.3 Location
The instrument has been developed for operation indoors and may not be
used in explosive environments.
Place the instrument in a location of the laboratory which is suitable for
operation, free of vibrations, protected from corrosive atmosphere, and
contamination by chemicals.
3 Installation
The instrument should be protected against excessive temperature fluctuations and direct sunlight.
3.5 Capillary connections in the IC system
This chapter contains general information concerning the capillary connections in the IC instruments and systems.
Generally speaking, capillary connections between two components of an
IC system are made up of one connection capillary and two pressure
screws with which the capillary is connected to the respective components.
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17
3.5 Capillary connections in the IC system
4
1
2 3
Pressure screws
Figure 4 Connection of capillaries with pressure screws
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PEEK pressure screw (6.2744.014)
1
Use on the injection valve.
PEEK pressure screw, short
3
(6.2744.070)
For use on the high pressure pump, the
purge valve, the inline filter, the pulsation
absorber, the guard column and the separation column.
In order to keep the dead volume as low as possible, capillary connections should generally be as short as possible.
For an improved overview, capillary and tubing connections can be
bundled with the 6.1815.010 spiral band.
Note
Note
Connection capillary
2
PEEK pressure screw, long
4
(6.2744.090)
Use on special components. Is not used on
all instruments.
PEEK capillaries (polyetheretherketone)
￭￭￭￭￭￭￭￭
18
Connection capillaries
PEEK capillaries and PTFE capillaries are used in the IC system.
PEEK capillaries are temperature-resistant up to 100°C, stable under pressure up to 400 bar, flexible, chemically inert and exhibit an extremely
smooth surface. They can be readily cut down to the desired length with
the 6.2621.080 capillary cutter.
Usage:
￭ PEEK capillaries (6.1831.010) with an internal diameter of 0.25 mm for
the entire high pressure range.
882 Compact IC plus – Anion – MCS
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3 Installation
￭ PEEK capillaries (6.1831.030) with an internal diameter of 0.75 mm for
sample handling in the ultra trace range.
Caution
For the capillary connections between the injection valve and detector ,
PEEK capillaries with an internal diameter of 0.25 mm must be used.
These are already connected to a newly delivered instrument.
PTFE capillaries (polytetrafluoroethylene)
PTFE capillaries are transparent and enable visual tracing of the liquids to
be pumped. They are chemically inert, flexible and temperature-resistant
up to 80°C.
Usage:
PTFE capillaries (6.1803.0x0) are used for the low pressure range.
￭ PTFE capillaries with internal diameter of 0.5 mm for sample handling.
￭ PTFE capillaries with internal diameter of 0.97 mm for sample handling
as well as for rinsing solutions (they do not have to be in the scope of
delivery of the instrument).
Capillary connections
In order to achieve optimum analysis results, capillary connections in an IC
system must be absolutely tight and free of dead volume. Dead volume
occurs if two capillary ends connected to each other do not fit exactly,
thus allowing liquid to escape. There are two possible reasons for this:
￭ The capillaries do not have exactly cut edges.
￭ The two capillary ends do not completely meet.
One prerequisite for dead volume free capillary connection is, that both
capillary ends are cut exactly plane. Therefore we recommend only to cut
PEEK capillaries with the capillary cutter (6.2621.080).
To create dead volume free capillary connections, proceed as follows:
882 Compact IC plus – Anion – MCS
Creating dead volume free capillary connections
Slide the pressure screw over the capillary. Ensure that the capillary
1
protrudes 1–2 mm from the tip of the pressure screw.
Plug the capillary all the way into the connection or coupling until
2
the stop.
Only then start turning the pressure screw, while keeping the capil-
3
lary pressed in space.
￭￭￭￭￭￭￭￭
19
3.6 Installations on the rear of the instrument
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Colored sleeves for PEEK capillaries
The enclosed set of varicolored sleeves for PEEK capillaries (6.2251.000)
serves to easily differentiate the various flows of liquid in the system
through color coding. Each capillary leading a given liquid (e. g. eluent)
can be highlighted with sleeves of the same color.
To highlight a capillary, proceed as follows:
Slide a sleeve of a selected color over a capillary an move it to an
1
easily visible position.
If the capillary heats up, the sleeve shrinks and adapts to the form of
the capillary.
3.6 Installations on the rear of the instrument
3.6.1 Transport locking screws
To avoid damage to the high pressure pump drive during transport, the
pump is secured with transport locking screws .
Remove these transport locking screws before the initial start-up.
Removing transport locking screws
In order to avoid damage to the pump, the transport locking screws
must be remounted each time the instrument undergoes major transport.
3.6.2 Leak sensor
The leak sensor detects escaping liquid which collects in the base tray of
the instrument.
For the leak sensor to function correctly, the following preconditions must
be met:
Remove all of the transport locking screws with the 6.2621.030 4
1
mm hexagon key and keep them in a safe place.
Warning
￭￭￭￭￭￭￭￭
20
￭ The leak sensor connector plug (5-2) is plugged into the Leak Sensor
socket.
￭ The instrument is switched on.
￭ In the software, the leak sensor is set to active.
882 Compact IC plus – Anion – MCS
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