Reference
Method
Test
Reagent #
Reagent Name
EPA (SW-846)
Turbidimetric
Sulfate
5.6.2
Standard Sulfate Solution (1.00 mL = 100 µg SO4), from Na2SO4
EPA (SW-846)
Colorimetric, Automated, Methylthymol Blue, AA II
Sulfate
5.11
Dilute Sulfate Solution, 1 mL = 0.1 mg SO4
EPA
Colorimetric, Automated, Methylthymol Blue, AA II
Sulfate
6.1
Dilute Sulfate Solution, 1 mL = 0.1 mg SO4
EPA
Turbidimetric
Sulfate
5.4.2
Standard Sulfate Solution from Na2SO4
ASTM
Turbidimetric
Sulfate
8.5
Sulfate Solution, Standard (1 mL = 0.100 mg SO42-
APHA
Turbidimetric Method
Sulfate
3d
Standard Sulfate Solution