GB/T 9731-2007
Chemical reagent.General method for the determination of sulphur compounds (English Version)

Standard No.

GB/T 9731-2007

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 9731-2007

Replace

GB/T 9731-1988

Scope

This standard specifies a general method for converting sulfur compounds into sulfates and determining them by visual turbidimetry. This standard applies to the determination of the total amount of inorganic sulfur compounds and organic sulfur compounds that can react with potassium hydroxide ethanol solution to form potassium xanthate in organic solvents. The detection range is 0.4 μg/mL～4 μg/mL (calculated as SO4).

GB/T 9731-2007 Referenced Document

• GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
• 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
• GB/T 9728 Chemical reagent.General method for the determination of sulphate

GB/T 9731-2007 history

• 2007 GB/T 9731-2007 Chemical reagent.General method for the determination of sulphur compounds
• 1988 GB/T 9731-1988 Chemical reagent--General method for the determination of sulphur compounds