GB/T 22408-2008 Active National standards

GB/T 22408-2008 Photography—Processing chemicals—Specifications for anhydrous sodium sulfite

Publish Date: 2008-10-10 Implement Date: 2009-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 22408-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Photographic-grade chemicals

ICS Name: Photographic chemicals

Publish Date: 2008-10-10

Implement Date: 2009-06-01

Pages: 7 pages

Scope

This standard specifies the purity requirements for photographic-grade anhydrous sodium sulfite and the test methods for determining its purity.

Development Information

Word Count: 10 Thousand words Pages: 7 pages

Referenced Standards

GB/T 20432.1-2006 Photography—Photographic-grade chemicals—Test methods—Part 1:General GB/T 20432.3-2008 Photography—Photographic-grade chemicals—Test methods—Part 3:Determination of matter in ammonium hydroxide solution GB/T 20432.5-2007 Photography—Photographic-grade chemicals—Test methods—Part 5:Determination of heavy metals and iron content GB/T 20432.7-2007 Photography—Photographic-grade chemicals—Test methods—Part 7:Determination alkalinity or acidity GB/T 20432.9-2007 Photography—Photographic-grade chemicals—Test methods—Part 9:Reaction to ammoniacal silver nitrate

Adopt standards

ISO 418:2001

Related Standards

GB/T 12938-1991 Active

GB/T 12938-1991 Determination of thiosulphate and other related residual chemicals in processed Photographic materials—Iodine-amylose, methylene blue and silver sulphide densitometric methods

Publish Date: 1991-05-22

GB/T 20432.1-2006 Active

GB/T 20432.1-2006 Photography—Photographic-grade chemicals—Test methods—Part 1:General

Publish Date: 2006-01-23

GB/T 20432.4-2006 Active

GB/T 20432.4-2006 Photography—Photographic-grade chemicals—Test methods—Part 4:Determination of residue after ignition

Publish Date: 2006-01-23

GB/T 20433-2006 Active

GB/T 20433-2006 Photography—Processing chemicals—Specifications for ammonium thiosulfate solution

Publish Date: 2006-01-23

GB/T 20432.10-2007 Active

GB/T 20432.10-2007 Photography—Photographic-grade chemicals—Test methods—Part 10:Determination of sulfide content

Publish Date: 2007-07-26

GB/T 20432.11-2007 Active

GB/T 20432.11-2007 Photography—Photographic-grade chemicals—Test methods—Part 11:Determination of specific gravity

Publish Date: 2007-07-26