LaMotte CHLORINE TEST KIT P-30 - Manual (Page 2)

PRO CE DURE
TO TAL RE SID UAL CHLO RINE
1. Rinse test tube (0230) with sample water. Fill to 5 mL line with sample
water.
2. Add 8 drops of *Chlorine Reagent O-Tolidine (4100). Cap and mix. Wait
3 minutes.
3. Insert into the Chlorine O-T Comparator (4438 or 7147). Match sample
color to a color standard. Record as ppm total residual chlorine.
4. If test sample color exceeds the highest color standard, repeat the test on a
sample diluted 1:1 with chlorine-free water. Multiply the comparator values
by 2. Record result as ppm Total Residual Chlorine.
FREE AVAIL ABLE CHLO RINE
1. Chill sample water to approximately 34°F. Rinse test tube (0230) with
sample water. Fill to 5 mL line with sample water.
2. Add 8 drops of *Chlorine Reagent O-Tolidine (4100). Cap and mix. Do
not allow the test sample to stand after reagent has been added.
3. Immediately insert into the Chlorine O-T Comparator (4438 or 7147).
Match sample color to a color standard. Read the test result within 5
seconds. Record as ppm Free Available Chlorine.
LaMOTTE COM PANY
Helping Peo ple Solve An a lyt i cal Chal lenges ®
PO Box 329 • Chestertown • Maryland • 21620 • USA
800-344-3100 • 410-778-3100 (Out side U.S.A.) • Fax 410-778-6394
Visit us on the web at www.lamotte.com
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