UNE 55-665-1984
Determination of acid solubility of sodium sulfate materials used as raw materials for detergent formulations

Standard No.

UNE 55-665-1984

Release Date

1984

Published By

ES-AENOR

Scope

The purpose of this standard is to establish a method for determining acid-insoluble materials contained in sodium sulfate used as raw material for detergent formulations. The method is applicable to anhydrous sodium sulfate and decahydrate.