GB/T 9724-2007
Chemical reagent.General rule for the determination of pH (English Version)

Standard No.

GB/T 9724-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

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

Latest

GB/T 9724-2007

Replace

GB/T 9724-1988

Scope

This standard specifies the general rules for the determination of the pH value of aqueous solutions by the potentiometric method. This standard applies to the determination of the pH value of aqueous solutions of chemical reagents. The measuring range of pH value is 1～12.

GB/T 9724-2007 Referenced Document

• GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
• GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
• GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update
• JJG 119-2005 Laboratory pH Meters

GB/T 9724-2007 history

• 2007 GB/T 9724-2007 Chemical reagent.General rule for the determination of pH
• 1988 GB/T 9724-1988 Chemical reagent--General rules for the determination of pH