Reference
Method
Test
Reagent #
Reagent Name
TAPPI
Calcium in pulp
N/A
5.3
Standard calcium solution, 0.01 M
EPA
Titrimetric, EDTA
Hardness
6.5.1
Standard Calcium Solution, 0.02 N
EPA
Colorimetric, Automated EDTA
Hardness
6.4
Stock Solution, 1.0 mL = 1.0 mg CaCO3
EPA
Titrimetric, EDTA
Calcium
5.3.1
Standard Calcium Solution, 0.02 N
ASTM
Complexometric Titration
Calcium & Magnesium
11.3
Calcium Solution, Standard (1.00 mL = 0.400 mg calcium)
APHA
EDTA Titrimetric Method
Hardness
2e
Standard calcium solution