Metrohm AG
CH-9101 Herisau
Schweiz
Telefon +41 71 353 85 85
Fax +41 71 353 89 01
info@metrohm.com
www.metrohm.com
853 CO2 Suppressor
Manual
8.853.8001EN 04.2008 / zst
Teachware
Metrohm AG
Oberdorfstrasse 68
CH-9101 Herisau
teachware@metrohm.com
These instructions are protected by copyright. All rights reserved.
Although all the information given in these instructions has been checked
with great care, errors cannot be entirely excluded. Should you notice any
mistakes please inform the author at the address given above
Table of contents
Table of contents
1 Introduction.................................................... 1
1.1 Instrument description ............................................................. 1
1.2 Parts and controls .................................................................... 2
1.2.1 Front view 853 CO2 Suppressor....................................................2
1.2.2 Rear view 853 CO2 Suppressor ....................................................3
1.3 Information on the Instructions for Use .................................. 4
1.3.1 Organization ..................................................................................4
1.3.2 Notation and pictograms ..............................................................5
1.4 Safety information..................................................................... 6
1.4.1 Electrical safety..............................................................................6
1.4.2 General safety rules....................................................................... 6
2 Installation ..................................................... 7
2.1 Instrument setup....................................................................... 7
2.1.1 Packaging...................................................................................... 7
2.1.2 Checks........................................................................................... 7
2.1.3 Arranging the instruments ............................................................. 7
2.2 Mains connection...................................................................... 7
2.3 Connection to the 861 Advanced Compact IC ........................ 8
2.4 Connection to 830 IC Interface ................................................ 9
2.5 Connection of capillaries ....................................................... 10
2.6 Cartridges................................................................................ 10
3 Operation...................................................... 11
3.1 General information................................................................ 11
3.2 Control..................................................................................... 11
3.2.1 Control via 861 Advanced Compact IC (2.861.0040)................. 11
3.2.2 Control via 830 IC Interface.........................................................11
4 Troubleshooting - Problems......................... 12
4.1 Remedying faults and problems ............................................ 12
4.2 Chromatography problems .................................................... 12
4.3 Instrument problems .............................................................. 13
4.4 Care and maintenance............................................................ 13
4.4.1 Care .............................................................................................13
4.4.2 Maintenance by Metrohm Service ..............................................14
4.4.3 CO2 Absorber Cartridge replacement.........................................14
4.4.4 H2O Absorber Cartridge regeneration ........................................14
5 Appendix ....................................................... 15
5.1 Technical data......................................................................... 15
5.2 Standard equipment ............................................................... 17
5.2.1 2.853.0010 CO2 Suppressor .......................................................17
5.3 Optional accessories.............................................................. 18
5.4 Validation / GLP ...................................................................... 19
5.5 Warranty and Conformity ....................................................... 20
5.5.1 Warranty.......................................................................................20
5.5.2 Declaration of Conformity ...........................................................21
5.5.3 Quality Management Principles ..................................................22
853 CO2 Suppressor / Instructions for Use 8.853.8001EN
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Table of contents
5.5.4 Index............................................................................................ 23
List of illustrations
Figure 1: Front view 853 CO2 Suppressor .................................................... 2
Figure 2: Rear view 853 CO2 Suppressor..................................................... 3
Figure 3: Connection between 853 CO2 Suppressor and 861 Advanced
Compact IC ...................................................................................
Figure 4: Connection between the 853 CO2 Suppressor and 830 IC
Interface.........................................................................................
8
9
853 CO2 Suppressor / Instructions for Use 8.853.8001EN
II
1.1 Instrument description
1 Introduction
1.1 Instrument description
The 853 CO2 Suppressor is used to remove CO2 before detection
takes place. CO
produced by the suppressor reaction (see below, Reaction in the sup-
pressor module «MSM II»).
can enter the eluent flow from the sample itself, or is
2
If the 853 CO
dule «MSM II» and the detector block the CO
mized. The principle is based on the permeability of the Teflon AF
membrane in the degassing cell of the 853 CO
Suppressors is connected between the suppressor mo-
2
peak is effectively mini-
2
Suppressor to gases.
2
TM
The eluent (together with the injected sample) passes through a capillary with a Teflon AF
TM
membrane contained in the degassing cell, in
which a vacuum has been created by a pump. At the same time the
pump draws CO
Cartridge) through the degassing cell. The lower CO
-free air (the CO2 is removed by the CO2 Absorber
2
vapor pressure in
2
the degassing cell compared with that in the capillary results in the diffusion of CO
from the eluent flow. The pump of the 853 CO2 Suppres-
2
sors is provided with electricity from an external power supply. The 853
Suppressor is controlled by Remote commands.
CO
2
Reaction in the suppressor module «MSM II»
If a carbonate eluent is used then the following reaction (among others)
takes place in the suppressor module «MSM II»:
R-SO
-H+
+ NaHCO3/Na2CO3 → R-SO
3
-
Na+ + H2O + CO
3
2
853 CO2 Suppressor / Instructions for Use 8.853.8001EN
1
1 Introduction
1.2 Parts and controls
In this section you will find the numbers and designations of the parts
and controls of the 853 CO
throughout the instructions for use, i.e. bold numbers in the text (e.g.
3
) refer to the parts and controls illustrated here.
1.2.1 Front view 853 CO2 Suppressor
1
Suppressor. The numbering applies
2
6
7
2
3
4
Figure 1: Front view 853 CO2 Suppressor
Eluent flow outlet "Eluent out"
1
Eluent flow inlet "Eluent in"
2
LED "Power"
3
Lights up green when the pump is running.
LED "Status"
4
Lights up orange when the pump is
running and the pressure in the vacuum chamber is too high or too low.
After the pump has been switched on it
takes a few seconds for the vacuum to
be established.
5
8
9
LED "Ready"
5
Lights up green when the pump is running and the pressure in the vacuum
chamber is within the ideal working
range.
Aspiration opening "Air in"
6
Opening for drawing in CO
(through CO
PEEK flow reduction capillary
7
Absorber Cartridge).
2
-free air
2
6.1831.130
The length of the flow reduction capillary provides an optimal flow and should
not be altered.
Pressure screw
8
Coupling
9
2
853 CO2 Suppressor / Instructions for Use 8.853.8001EN
1.2 Parts and controls
1.2.2 Rear view 853 CO2 Suppressor
10
11
Figure 2: Rear view 853 CO2 Suppressor
12
Exhaust opening "Exhaust"
10
Air is pumped out of the degassing cell
through this opening.
15V Mains connection "15V DC"
11
Remote interface "Remote"
12
For remote control by external devices.
853 CO2 Suppressor / Instructions for Use 8.853.8001EN
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