NBN T 03-359-1981
Crude sodium borates for industrial use - Determination of iron soluble

Standard No.

NBN T 03-359-1981

Release Date

1981

Published By

BE-NBN

Latest

NBN T 03-359-1981

Scope

This International Standard specifies a 2,2'-bipyridyl photometric method for the determination of alkaline-soluble iron in crude sodium borates for industrial use. The method is applicable to products whose soluble iron content in an alkaline medium is greater than 2 mg/kg.

NBN T 03-359-1981 history

• 1981 NBN T 03-359-1981 Crude sodium borates for industrial use - Determination of iron soluble