GB/T 23950-2009
Inorganic chemicals for industrial use.General method for determination of heavy metals (English Version)

Standard No.

GB/T 23950-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

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

Latest

GB/T 23950-2009

Scope

This standard specifies the general method for the determination of heavy metals in inorganic chemical products-visual colorimetry safety tips, general provisions, method principle, reagents, instruments, and analysis steps. This standard applies to the limited determination of heavy metals (calculated as Pb) in inorganic chemical products, and the detection range is: 0.2μg/mL-2μg/mL.

GB/T 23950-2009 Referenced Document

• GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
• HG/T 3696.2-2002 Inorganic chemical products Preparations of standard solutions for chemical analysis
• HG/T 3696.3-2002 Inorganic chemical products Preparations of reagent solutions for chemical analysis

GB/T 23950-2009 history

• 2009 GB/T 23950-2009 Inorganic chemicals for industrial use.General method for determination of heavy metals