GB/T 20432.5-2007 Active National standards

GB/T 20432.5-2007 Photography—Photographic-grade chemicals—Test methods—Part 5:Determination of heavy metals and iron content

Publish Date: 2007-07-26 Implement Date: 2008-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20432.5-2007

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Photographic-grade chemicals

ICS Name: Photographic chemicals

Publish Date: 2007-07-26

Implement Date: 2008-01-01

Pages: 5 pages

Scope

This part of GB/T 20432 specifies the general test methods for determining the heavy metal and iron content of photographic-grade chemicals. Note: If analyzing only heavy metals or iron, it is sufficient to prepare a diluted standard solution (8.1).

Development Information

Word Count: 7 Thousand words Pages: 5 pages

Same series standard

GB/T 20432.2-2007 Photography—Photographic-grade chemicals—Test methods—Part 2:Determination of matter insoluble in water GB/T 20432.7-2007 Photography—Photographic-grade chemicals—Test methods—Part 7:Determination alkalinity or acidity GB/T 20432.8-2007 Photography—Photographic-grade chemicals—Test methods—Part 8:Determination of volatile matter GB/T 20432.9-2007 Photography—Photographic-grade chemicals—Test methods—Part 9:Reaction to ammoniacal silver nitrate GB/T 20432.10-2007 Photography—Photographic-grade chemicals—Test methods—Part 10:Determination of sulfide content GB/T 20432.11-2007 Photography—Photographic-grade chemicals—Test methods—Part 11:Determination of specific gravity GB/T 20432.13-2007 Photography—Photographic-grade chemicals—Test methods—Part 13:Determination of pH

Referenced Standards

GB/T 20432.1-2006 Photography—Photographic-grade chemicals—Test methods—Part 1:General GB/T 20432.4-2006 Photography—Photographic-grade chemicals—Test methods—Part 4:Determination of residue after ignition

Adopt standards

ISO 10349-5:1992

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