LaMotte CHLORINE BLEACH TEST KIT LB-DC - Manual

CHLO RINE BLEACH TEST KIT
DROP COUNT METHOD
MODEL LB-DC • CODE 7894
QUANTITY CONTENTS CODE
30 mL *Hypochlorite Reagent A *7939PS-G
30 mL Hypochlorite Reagent B 7940-G
60 mL Hypochlorite Reagent C 7941PS-H
2 Test Tubes, 5-10-15 mL, glass, w/caps 0778
2 Pipets, 0.5 mL, plastic, w/caps 0369
1 Pipet, 0.5 mL, plastic 0353
1 Pipet, plain, glass 0342
*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.
PRO CE DURE A: 0-0.1% (0-1000 ppm)
1.
Fill test tube (0778) to 5 mL line with sample solution.
2. Use a pipet (0369) to add 0.5 mL of Hypochlorite Reagent B (7940).
Swirl to mix.
3. Use second pipet (0369) to add 0.5 mL of *Hypochlorite Reagent A
(7939PS). Swirl to mix. Sample will turn brown.
4. Fill glass pipet (0342) with Hypochlorite Reagent C (7941PS). Hold
pipet vertically. While gently swirling tube, add Hypochlorite
Reagent C, one drop at a time, until brown color disappears. Count
the number of drops added.
5. Calculate result:
Available Chlorine, % = 0.005 x Number of Drops
Available Chlorine, ppm = 50 x Number of Drops