GB/T 3143-1982
Active
GB/T 7686-2016
Active
National standards
GB/T 7686-2016 General method for determination of arsenic content of chemical products
GB/T 7686-2016 General method for determination of arsenic content of chemical products
Basic Information
Standard Code:
GB/T 7686-2016
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Chemical analysis
Publish Date:
2016-12-13
Implement Date:
2017-07-01
Pages:
13 pages
Scope
This standard specifies a general method for determining arsenic in chemical products.
The silver diethyl dithiocarbamate spectrophotometry method in this standard is suitable for the determination of arsenic in solutions with a content ranging from 1 μg to 20 μg, and the atomic fluorescence spectrometry method is suitable for the determination of arsenic in solutions with a content ranging from 0.005 μg to 2.5 μg.
Development Information
Replace the following standards
Referenced Standards
GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity
Related Standards
GB/T 4472-1984
Replaced
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 4946-1985
Replaced
GB/T 4946-1985 Terms of gas chromatography
GB/T 5274-1985
Replaced
GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods
GB/T 5831-1986
Replaced
GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method
GB/T 5832.2-1986
Replaced