GB/T 11199-1989
Replaced
GB/T 11213.7-2008
Active
National standards
GB/T 11213.7-2008 Test methods of sodium hydroxide for chemical fiber use—Part 7:Determination of copper content—Spectrometric method
GB/T 11213.7-2008 Test methods of sodium hydroxide for chemical fiber use—Part 7:Determination of copper content—Spectrometric method
Basic Information
Standard Code:
GB/T 11213.7-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Inorganic acids and alkalis
ICS Name:
\nAlkali
Publish Date:
2008-06-18
Implement Date:
2009-02-01
Pages:
5 pages
Scope
This part of GB/T 11213 specifies the method for determining the copper content in sodium hydroxide for chemical fiber applications. This part is applicable to products with a copper content in sodium hydroxide ranging from 0.000 01% to 0.000 1%.
Development Information
Replace the following standards
Referenced Standards
GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods
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
Adopt standards
BS 6075-12-1981
Related Standards
GB/T 11213.1-1989
Replaced
GB/T 11213.1-1989 Sodium hydroxide for chemical fiber—Determination method of mass fraction
GB/T 11213.2-1989
Replaced
GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method
GB/T 11213.7-1989
Replaced
GB/T 11213.7-1989 Sodium hydroxido for chemical fiber use—Determination of copper mass fraction—Spectrometric method
GB 209-1993
Replaced
GB 209-1993 Sodium hydroxide for industrial use
GB/T 4294-1997
Replaced