LaMotte AM-21 Water Pollution Detection Outfit - Manual (Page 44)

Field Test Method
Quantity Contents Code
15 mL *Sulfide Reagent A *4458-E
15 mL Sulfide Reagent B 4459-E
30 mL Sulfide Reagent C 4460-G
1 Test Tube, 5.0 mL 0230
1 Pipet, 1.0 mL 0354
1 Sulfide Comparator, 0.2 and 2.0 ppm 7477
WARNING: Reagents marked with a * are considered to be potential health hazards.
To view or print a Material Safety Data Sheet (MSDS) for these reagents see MSDS CD
or www.lamotte.com. To obtain a printed copy, contact LaMotte by email, phone or fax.
Procedure
1. Fill test tube (0230) to the 5 mL line with sample water.
2. Add 15 drops of *Sulfide Reagent A (4458). Cap and mix. Remember
that the test sample now has a high acid content.
3. Add three drops of Sulfide Reagent B (4459). Cap and mix. Wait one
minute.
4. Use the 1.0 mL pipet (0354) to add 1.0 mL of Sulfide Reagent C (4460).
Cap and mix.
5. If sulfide is present, a blue color will develop. Insert the test tube into the
Sulfide Comparator (7477). Match sample color to a color standard.
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