NP 1227-1976
Ammonium sulfate used in industry. Measurement of iron content

Standard No.

NP 1227-1976

Release Date

1976

Published By

PT-IPQ

Latest

NP 1227-1976

Scope

This Standard is intended to establis how to determine the iron content of ammonium sulfate for industrial uses using the 2,2'-dipyridyl spectrophotometric process.

NP 1227-1976 history

• 1976 NP 1227-1976 Ammonium sulfate used in industry. Measurement of iron content