GB/T 20432.1-2006
Active
GB/T 12938-1991
Active
National standards
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
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
Basic Information
Standard Code:
GB/T 12938-1991
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Films and photography techniques
ICS Name:
Photographic chemicals
Publish Date:
1991-05-22
Implement Date:
1992-05-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
The China Film Science and Technology Research Institute of the Ministry of Radio, Film and Television
Pages:
20 pages
Development Information
Drafting Units:
China Film Science and Technology Research Institute of the Ministry of Radio, Film and Television
Drafting Persons:
Liang Mincong
Referenced Standards
GB 9049
Adopt standards
ISO 417-77
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GB/T 20432.11-2007 Photography—Photographic-grade chemicals—Test methods—Part 11:Determination of specific gravity
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