NBN T 03-128-1980
Sodium hydroxide for industrial use - Determination of calcium content -EDTA (disodium sait) complexometric method

Standard No.

NBN T 03-128-1980

Release Date

1979

Published By

BE-NBN

Latest

NBN T 03-128-1980

Scope

This International Standard specifies a complexometric method for the determination of calcium in sodium hydroxide for industrial use. The method is applicable to products whose calcium content, expressed as CaO and related to NaOH, is equal to or greater than 0.002% (m/m).

NBN T 03-128-1980 history

• 1979 NBN T 03-128-1980 Sodium hydroxide for industrial use - Determination of calcium content -EDTA (disodium sait) complexometric method