UNE 7-228-1972
Colorimetric determination of silica in aluminum and aluminum alloys (composite blue)

Standard No.

UNE 7-228-1972

Release Date

1972

Published By

ES-AENOR

Scope

The purpose of this standard is to indicate the method to be followed to determine silicon in aluminum and its alloys, with silicon contents between 0.01 and 3〓.