Reference
Method
Test
Reagent #
Reagent Name
ASTM
Atomic Absorption Spectrophotometry
Sodium
8.4
Sodium Solution, Standard (1.00 mL = 0.1 mg Na)
ASTM
Flame Photometry
Sodium
21.1
Sodium Chloride Solution, Stock
ASTM
Ion-Selective Electrode
Sodium
12.2
Sodium Chloride Stock Solution (1.00 mL = 0.100 mg Na)
APHA
Flame Emission Photometric Method
Sodium
3c
Intermediate Sodium Solution