GB/T 661-1992
Chemical reagent--Ammonium iron(Ⅱ)shlfate hexahydrate (English Version)

Standard No.

GB/T 661-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2011-12

Replace By

GB/T 661-2011

Latest

GB/T 661-2011

Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging, and signs of the chemical reagent iron (II) ammonium sulfate hexahydrate. This standard applies to the inspection of the chemical reagent iron (II) ammonium sulfate hexahydrate.

GB/T 661-1992 history

• 2011 GB/T 661-2011 Chemical reagent—Ammonium iron(Ⅱ) sulfate hexahydrate
• 1992 GB/T 661-1992 Chemical reagent--Ammonium iron(Ⅱ)shlfate hexahydrate