Reference
Method
Test
Reagent #
Reagent Name
EPA
Colorimetric, Methylene Blue
Sulfide
5.4
Standard Potassium Iodide-Iodate Titrant, 0.0125 N
APHA
Phenanthroline Method
Sulfite
3f
Standard Potassium Iodide-Iodate Titrant, 0.0125 M
APHA
Iodometric Method
Sulfite
2b
Standard Potassium Iodide-Iodate Titrant, 0.002083 M