GB/T 640-1997
Chemical reagent. Sodium hydrogen carbonate (English Version)

Standard No.

GB/T 640-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

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

Latest

GB/T 640-1997

Replace

GB/T 640-1984

Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging and signs of the chemical reagent sodium bicarbonate.

GB/T 640-1997 history

• 1997 GB/T 640-1997 Chemical reagent. Sodium hydrogen carbonate
• 0000 GB/T 640-1984