UNE 55-836-1987
Gravimetric determination of inorganic sulfate in washing powder

Standard No.

UNE 55-836-1987

Release Date

1987

Published By

ES-AENOR

Scope

The purpose of this standard is to specify a gravimetric method for the determination of inorganic sulfates in all types of commercial laundry powders. There are no interferences with the other compounds usually present.