GB/T 4348.3-2012 Active National standards

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

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

Publish Date: 2012-12-31 Implement Date: 2013-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4348.3-2012

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: \nAlkali

Publish Date: 2012-12-31

Implement Date: 2013-08-01

Pages: 6 pages

Scope

This standard specifies the method for determining the iron content in industrial sodium hydroxide using the 1,10-phenanthroline spectrophotometry method.
This standard is applicable to industrial sodium hydroxide products with an iron content greater than or equal to 0.0005% (by mass fraction).

Development Information

Word Count: 8 Thousand words Pages: 6 pages

Replace the following standards

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

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

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