Reference
Method
Test
Reagent #
Reagent Name
EPA
Colorimetric-Platinum-Cobalt
Color
7.1
Platinum-Cobalt Color Standard, No. 5
ASTM
Platinum-Cobalt Color
Color of Clear Liquids
6.2
Platinum-Cobalt Color Standard, No. 5
APHA
Visual Comparison Method
Color
N/A
Color Standard, Color = 5 Units
ACS
Color
Color
N/A
APHA No. 5 Platinum-Cobalt Standard