LaMotte SL-MW-3312 User Manual

CHLO RINE IN DRINKING

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EPA

COMPLIANTCOMPLIANT

WA TER TEST KIT

MODEL SL-MW • CODE 3312

QUANTITY CONTENTS CODE

50 *Chlorine DPD #1R Tablets (6999A) *6905A-6999ABOX
50 *Chlorine DPD #3R Tablets (6905A)
2 Test Tubes, plastic, w/caps 0106
1 Octa-Slide Viewer 1100
1 Chlorine Octa-Slide Bar,

0.1-1.0 ppm

*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 specified code
number.

This kit is intended for use in testing potable drinking water for Free
Available Chlorine, Total Residual Chlorine, and Combined Chlorine.

USE OF THE OCTA-SLIDE VIEWER

The Viewer should be held so
non-direct light enters through the
back of the comparator. With sample
tube inserted at top, slide the
Octa-Slide bar through the viewer and
match with color standard.

3405

EPA AC CEPTED PROCEDURE

This test is EPA Accepted for NIPDWR monitoring. For compliance
monitoring a Check Standard should be prepared.

CHECK STANDARD PREP A RA TION: 1 ppm Equiv a lent Solution

1. Dissolve 891 mg of potassium permanganate in 1000 mL of distilled
water in a volumetric flask (1000 ppm equivalent solution).

2. Dilute 1 mL of this solution to 1000 mL with distilled water in a
volumetric flask. This solution is equivalent to 1 ppm Free Available
Chlorine.

PRO CE DURE

FREE AVAILABLE CHLORINE

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

2. Add one *Chlorine DPD #1R Tablet (6999A). Cap tube and mix

until tablet disintegrates.

3. Insert test tube into the top of the Octa-Slide Viewer. Slide the
Chlorine Octa-Slide Bar (3405) into the viewer. Match sample color
to a color standard.

4. Record as ppm Free Available Chlorine. Retain this sample if Total
and Combined Chlorine are to be determined.

TOTAL RE SID UAL & COMBINED CHLORINE

5. Add one *Chlorine DPD #3 Tablet (6905A) to the test sample from
Step 4 above. Cap tube and mix until tablet dissolves.

6. Insert test tube into the Octa-Slide Viewer. Match sample color to a
color standard.

7. Record as ppm Total Residual Chlorine.

8. To obtain reading in ppm Combined Chlorine, subtract Free

Available Chlorine from Total Residual Chlorine.

Combined Chlorine, ppm =

Total Residual Chlorine _ Free Available Chlorine

LaMOTTE COM PANY

Helping Peo ple Solve An a lyt i cal Challenges

PO Box 329 • Chestertown • Mary land • 21620 • USA

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

Visit us on the web at www.lamotte.com

®

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