LaMotte SL-1 User Manual

DPD CHLORINE KIT

OCTA-SLIDE 2, 0.2-3.0 ppm

CODE 3316-01

QUANTITY CONTENTS CODE

50
50

50
50

2 Test Tubes, plastic, w/caps 0106
1 Octa-Slide 2 Viewer 1101
1 Chlorine Octa-Slide 2 Bar, 0.2-3.0 ppm 3401-01

*Chlorine DPD #1 Tablets (*6999A)
*Chlorine DPD #3 Tablets (*6905A)

Chlorine DPD #2 Tablets (6904A)
*Chlorine DPD #4 Tablets (*6906A)

6905A­6999ABOX

6904A­6906ABOX

*WARNING: Reagents marked with an * are considered to be potential health hazards.
To view or print a Material Safety Data Sheet (MSDS) for these reagents go to
www.lamotte.com. To obtain a printed copy, contact LaMotte by e-mail, phone or fax.

To order individual reagents or test kit components, use the specifi ed code number.
This kit is used for testing water for Free Available Chlorine, Monochloramine,

Dichloramine, and Total Residual Chlorine.

USE OF THE OCTA-SLIDE 2 VIEWER

The Octa-Slide 2 Viewer should be held so
non-direct light enters through the back of
the Viewer. Insert the reacted sample into
the top of the Viewer. Slide the Octa-Slide 2
Bar into the Viewer and match the color of
the reaction to the color standards.

WARNING! This set contains chemicals

that may be harmful if misused. Read

cautions on individual containers

carefully. Not to be used by children

except under adult supervision

LaMOTTE COMPANY

Helping People Solve Analytical Challenges

PO Box 329 • Chestertown • Maryland • 21620 • USA

800-344-3100 • 410-778-3100 (Outside U.S.A.) • Fax [phone]

Visit us on the web at www.lamotte.com

63316-01 5/11

®

PROCEDURE

FREE AVAILABLE CHLORINE

1. Fill a test tube (0106) to 5 mL line with sample water.

2. Add one *Chlorine DPD #1 Tablet (6999A). Cap and mix until tablet disintegrates.
Solution will turn pink if chlorine is present.

3. Insert test tube into the Octa-Slide 2 Viewer (1101). Slide the 0.2 to 3.0 ppm
Chlorine Octa-Slide 2 Bar (3401-01) into the viewer. Match sample color to a
color standard. Record as Reading A. Save sample for further tests.

Free Available Chlorine (ppm) = Reading A

MONOCHLORAMINE

4. Add one Chlorine DPD #2 Tablet (6904A) to sample from Step 3. Cap and mix
until tablet disintegrates.

5. Insert test tube into the Octa-Slide 2 Viewer (1101). Match sample color to a color
standard. Record as Reading B.

Monochloramine (ppm Chlorine) = Reading B - Reading A

DICHLORAMINE & TOTAL RESIDUAL CHLORINE

6. Add one *Chlorine DPD #3 Tablet (6905A) to the sample from Step 5. Cap and
mix until tablet disintegrates.

7. Insert test tube into the Octa-Slide 2 Viewer (1101). Match sample color to a color
standard. Record as Reading C.

Dichloramine (ppm Chlorine) = Reading C - Reading B

Total Residual Chlorine, ppm = Reading C

TOTAL RESIDUAL CHLORINE & COMBINED CHLORINE

1. Rinse test tube (0106) with sample water. Fill to 5 mL line with sample water.

2. Add one *Chlorine DPD #1 Tablet (6999A). Cap and mix until tablet
disintegrates.

3. Immediately insert test tube into the Octa-Slide Viewer (1101). Match sample
color to a color standard. Record as ppm Free Available Chlorine.

4. Add one *Chlorine DPD #3 Tablet (6905A) to the same sample. Cap and mix
until disintegrated.

5. Insert test tube into Octa-Slide 2 Viewer (1101). Match sample color to a color
standard.

Record as ppm Total Residual Chlorine.

Combined Chlorine, ppm =

Total Residual Chlorine - Free Available Chlorine

TOTAL RESIDUAL CHLORINE

The *Chlorine DPD #4 Tablet determines Total Residual Chlorine and is used where a
differentiation in the type of chlorine is not required.

1. Rinse the test tube (0106) with sample water. Fill to 5 mL line with sample water.

2. Add one *Chlorine DPD #4 Tablet (6906A). Cap and mix until tablet
disintegrates.

3. Insert test tube into Octa-Slide 2 Viewer (1101). Match sample color to a color
standard.

Record as ppm Total Residual Chlorine.