GB/T 604-2002
Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators (English Version)

Standard No.

GB/T 604-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

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

Status

Withdraw

Latest

GB/T 604-2002

Scope

This standard specifies the preparation method of the buffer solution and indicator solution required in the general method for the determination of the pH color range of the chemical reagent acid-base indicator and the determination method of the pH color range of the acid-base indicator. This standard applies to the determination of pH color range of chemical reagent acid-base indicators.

GB/T 604-2002 history

• 2002 GB/T 604-2002 Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators