LaMotte AM-21 Water Pollution Detection Outfit - Manual (Page 39)

Field Test Method
Quantity Contents Code
60 mL *VM Phosphate Reagent *4410-H
5 mL Reducing Reagent 6405-C
1 Test Tube, 5.0 mL 0230
1 Pipet, 1.0 mL 0354
1 Pipet, unmarked 0352
1 VM Phosphate Comparator, 1.0 and 5.0 ppm 7482
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 the sample water.
2. Use the 1.0 mL pipet (0354) to add 1.0 mL of *VM Phosphate Reagent
(4410) to the test sample. Cap and mix. Wait 5 minutes. A light yellow
color may appear at this point.
3. Use the pipet (0352) to add 3 drops of Reducing Reagent (6405) to the
mixture. Invert to mix the contents.
4.
If Phosphate is present, a blue color will form immediately. Insert the test
tube in the VM Phosphate Comparator (7482). Match sample color to a
color standard.
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