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5524 (1) <br /> > DROP TEST <br /> > FAS-DPD BROMINE (1 drop = 0.5 or 1.25 ppm) <br /> COMPONENTS: <br /> 1 x 5524 Instruction <br /> 1 x 9198 Sample Tube, Graduated, 25 mL, plastic <br /> w/cap <br /> 1 x R-0870 DPD Powder <br /> 1 x R-0872 FAS-DPD Titrating Reagent (bromine), DB <br /> TO ORDER REPLACEMENT PARTS AND REAGENTS CALL TOLL-FREE <br /> 800-TEST KIT (800-837-8548) . <br /> PROCEDURE: <br /> CAREFULLY READ AND FOLLOW PRECAUTIONS ON REAGENT LABELS. <br /> KEEP REAGENTS AWAY FROM CHILDREN. <br /> 1. Rinse and fill sample tube to desired mark with <br /> water to be tested. <br /> NOTE: For 1 drop = 0.5 ppm, use 25 mL sample. <br /> For 1 drop = 1.25 ppm, use 10 mL sample. <br /> 2. Add 2 dippers R-0870 DPD Powder. Swirl until <br /> dissolved. Sample will turn pink if bromine is <br /> present. <br /> NOTE: If pink color disappears, add R-0870 DPD <br /> Powder until color turns pink. <br /> 3. Add R-0872 FAS-DPD Titrating Reagent (bromine) dropwise, <br /> swirling and counting after each drop, until color <br /> changes from pink to colorless. Always hold bottle <br /> in vertical position. <br /> 4. Multiply drops in Step 3 by drop equivalence (Step 1) . <br /> Record as parts per million (ppm) total bromine. <br /> 7/08 <br /> Page 1 <br />