Reference
Method
Test
Reagent #
Reagent Name
EPA (SW-846)
Turbidimetric
Sulfate
5.4
Sodium Carbonate Solution (approximately 0.05 N)
EPA
Turbidimetric
Sulfate
5.3
Sodium Carbonate Solution (approx 0.05 N)
EPA
Titrimetric, pH 4.5
Alkalinity
5.1
Sodium Carbonate Solution, 0.05 N
APHA
Titration Method
Alkalinity
3a
Sodium carbonate solution, approximately 0.05 N