NBN T 03-127-1980
Sodium hydroxide for industrial use - Determination of silica content - Gravimetrie method by precipitation of quinoline molyb-dosilicate

Standard No.

NBN T 03-127-1980

Release Date

1979

Published By

BE-NBN

Latest

NBN T 03-127-1980

Scope

This International Standard specifies a gravimetric method for the determination of silica in sodium hydroxide for industrial use, by precipitation of quinoline molybdosilicate. The method is applicable to products whose silica content (Si02), relative to NaOH, is equal to or greater than 0.001% (mlm).

NBN T 03-127-1980 history

• 1979 NBN T 03-127-1980 Sodium hydroxide for industrial use - Determination of silica content - Gravimetrie method by precipitation of quinoline molyb-dosilicate