GB/T 4348.3-2002 Replaced National standards

GB/T 4348.3-2002 Sodium hydroxide for industrial use—Determination of iron content-1,10—Phenanthroline photometric method

Publish Date: 2002-05-29 Implement Date: 2002-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4348.3-2002

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: \nAlkali

Publish Date: 2002-05-29

Implement Date: 2002-12-01

Pages: 6 pages

Development Information

Word Count: 11 Thousand words Pages: 6 pages

Same series standard

GB/T 4348.2-2002 Sodium hydroxide for industrial use—Determination of sodium chloride content—Mercurimetric method

Replace the following standards

GB 4348.3-1984

Superseded by the following standards

GB/T 4348.3-2012 Sodium hydroxide for industrial use—Determination of iron content—1,10-phenanthroline photometric method

Referenced Standards

GB/T 603-1988 GB/T 604-1988 GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods

Adopt standards

ISO 983:1974

Related Standards

GB/T 11199-1989 Replaced

GB/T 11199-1989 Membrane process sodium hydroxide

Publish Date: 1989-02-24

GB/T 11213.1-1989 Replaced

GB/T 11213.1-1989 Sodium hydroxide for chemical fiber—Determination method of mass fraction

Publish Date: 1989-03-31

GB/T 11213.2-1989 Replaced

GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method

Publish Date: 1989-03-31

GB/T 11213.7-1989 Replaced

GB/T 11213.7-1989 Sodium hydroxido for chemical fiber use—Determination of copper mass fraction—Spectrometric method

Publish Date: 1989-03-31

GB 209-1993 Replaced

GB 209-1993 Sodium hydroxide for industrial use

Publish Date: 1993-01-06

GB/T 4294-1997 Replaced

GB/T 4294-1997 Aluminium hydroxide

Publish Date: 1997-12-22