GB/T 9724-2007: Chemical reagent -- General rule for the determination of pH

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Scope

This Standard specifies the general rules for measurement of pH of water solution in
electrometric method.
This Standard is applicable to the measurement of pH of chemical reagent and water
solution. The measurement range of pH is 1 ~ 12.

Basic Data

Standard ID	GB/T 9724-2007 (GB/T9724-2007)
Description (Translated English)	Chemical reagent -- General rule for the determination of pH
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G60
Classification of International Standard	71.040.30
Word Count Estimation	6,643
Date of Issue	2007-09-26
Date of Implementation	2008-04-01
Older Standard (superseded by this standard)	GB/T 9724-1988
Quoted Standard	GB/T 601; GB/T 603; GB/T 6682; JJG 119-2005
Adopted Standard	ISO 6353-1-1982, NEQ
Regulation (derived from)	China National Standard Approval Announcement2007 No.11 (Total No.111)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the general rule aqueous potentiometric determination of pH values. This standard applies to the determination of the chemical reagent solution pH. Determination of pH in the range of l ~ 12.