GB/T 20433-2006
Photography.Processing chemicals.Specifications for ammonium thiosulfate solution (English Version)
- Standard No.
- GB/T 20433-2006
- Language
- Chinese, Available in English version
- Release Date
- 2006
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 20433-2006
- Scope
- This standard specifies the purity of photographic grade ammonium thiosulfate solution and its determination method.
GB/T 20433-2006 Referenced Document
- GB/T 20432.4-2006 Photography.Photographic-grade chemicals.Test methods.Part 4:Determination of residue after ignition
- ISO 10349-10:1992 Photography; photographic-grade chemicals; test methods; part 10: determination of sulfide content
- ISO 10349-3:1992 Photography; photographic-grade chemicals; test methods; part 3: determination of matter insoluble in ammonium hydroxide solution
- ISO 10349-5:1992 Photography; photographic-grade chemicals; test methods; part 5: determination of heavy metal and iron content
GB/T 20433-2006 history
- 2006 GB/T 20433-2006 Photography.Processing chemicals.Specifications for ammonium thiosulfate solution
