Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 24793-2009 Photography—Processing wastes—Determination of silver content 285.0 via email in 1~3 business day valid
GB/T 20432.13-2007 Photography—Photographic-grade chemicals—Test mehtods—Part 13:Determination of pH 85.0 via email in 1~3 business day valid
GB/T 20432.1-2006 Photography―Photographic-grade chemicals―Test methods―Part 1: General 105.0 via email in 1~3 business day valid
HG/T 2414-2007 Photographic chemicals The method for the determination of the color couples Reversed phase high performance liquid chromatography 105.0 via email in 1~3 business day valid
GB/T 22408-2008 Photography - Processing chemicals - Specifications for anhydrous sodium sulfite 150.0 via email in 1~3 business day valid
HG/T 2415-2007 Photographic chemicals Measurement methods of the trace - Metals in the color couples Flame photometry of the atomic absorbs 60.0 via email in 1~3 business day valid
GB/T 22401-2008 Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite 150.0 via email in 1~3 business day valid
HG/T 2535-2007 Photographic chemicals The method for the determination of sensitization dyes Reversed phase high performance liquid chromatography 105.0 via email in 1~3 business day valid
GB/T 20432.6-2008 Photography - Photographic-grade chemicals - Test methods - Part 6: Determination of halide content 60.0 via email in 1~3 business day valid
GB/T 22402-2008 Photography - Processing chemicals - Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate 105.0 via email in 1~3 business day valid
HG/T 2416-2007 Photographic chemicals Measurement methods of the trace-sulfur in the color couples Spectrophotometric analysis methods of molecular absorbs 60.0 via email in 1~3 business day valid
GB/T 20432.9-2007 Photography—Photographic-grade chemicals—Test methods—Part 9:Reaction to ammoniacal silver nitrate 60.0 via email in 1~3 business day valid
GB/T 22399-2008 Photography - Processing chemicals - Specifications for Sodium hydroxide 150.0 via email in 1~3 business day valid
GB/T 22409-2008 Photography - Processing chemicals - Specifications for possium sulfite solution,650g/L 150.0 via email in 1~3 business day valid
GB/T 20432.8-2007 Photography—Photographic-grade chemicals—Test methods—Part 8:Determination of volatile matter 85.0 via email in 1~3 business day valid
GB/T 22398-2008 Photography - Processing chemicals - Specifications for potassium hydroxide 105.0 via email in 1~3 business day valid
GB/T 20432.3-2008 Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter in ammonium hydroxide solution 105.0 via email in 1~3 business day valid
GB/T 24792-2009 Processing photographic wastes—Analysis of cyanides—Determination of hexacyanoferrate(Ⅱ)and hexacyanoferrate(Ⅲ)by spectrometry 170.0 via email in 1~3 business day valid
GB/T 22407-2008 Photography - Processing chemicals - Specifications for sodium tetraborate decahydrate 105.0 via email in 1~3 business day valid
GB/T 20433-2006 Photography―Processing chemicals―Specifications for ammonium thiosulfate solution 90.0 via email in 1~3 business day valid
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