COLOR
PLATINUM COBALT METHOD
NO REAGENTS REQUIRED
Color in water may be attributed to humus, peat, plankton, vegetation, and natural
metallic ions, such as iron and manganese, or industrial waste. Color is removed
to make water suitable for domestic and industrial use. Color may have to be
removed from industrial waste before it is discharged to a waterway.
APPLICATION: Potable water and water with color due to natural
materials.
RANGE: 0–1000 color units
MDL: 20 Cu
METHOD: Color is determined by a meter that has been
calibrated with colored standards of known platinum
cobalt concentration. True color, the color of water in
which the turbidity has been removed, is measured.
SAMPLE HANDLING &
PRESERVATION:
Collect all samples in clean glassware. Determine color
as soon as possible to avoid biological or chemical
changes that could occur in the sample during
storage.
INTERFERENCES: Turbidity will interfere. Filter before testing.
SMART3 Test Procedures 11.10 COLOR
Test Procedures
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