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Chinese National Standard List: Photographic-grade chemicals

HG/T 2535-1993 Photographic chemicals. The method for the determination of sensitization dyes. Reversed phase high performance liquid chromatography 
  Issued on:   Price(USD): 305.0
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method) 
  Issued on: 2022-12-30   Price(USD): 210.0
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method) 
  Issued on: 2022-12-30   Price(USD): 210.0
GB/T 32696-2016 Photography-Determination of residual thiosulfate and other related chemicals in processed photographic materials-Methods using iodine-amylose,methylene blue and silver sulfide 
  Issued on: 2016-06-14   Price(USD): 280.0
GB/T 30908-2014 Photography―Processing wastes―Determination of boron 
  Issued on: 2014-07-08   Price(USD): 160.0
HG/T 2257-2011 Photographic chemicals - Determination of volatile matter in color couples 
  Issued on: 2011-12-20   Price(USD): 120.0
HG/T 2256-2011 Photographic chemicals —Determination of ash in color couplers 
  Issued on: 2011-12-20   Price(USD): 100.0
GB/T 27598-2011 Photographic chemicals - Measurement methods of the trace elements in the inorganic compounds - Inductively coupled plasma atomic emission spectrometry(ICP-AES)  
  Issued on: 2011-12-5   Price(USD): 150.0
GB/T 24793-2009 Photography—Processing wastes—Determination of silver content 
  Issued on: 2009-12-15   Price(USD): 280.0
GB/T 24792-2009 Processing photographic wastes—Analysis of cyanides—Determination of hexacyanoferrate(Ⅱ)and hexacyanoferrate(Ⅲ)by spectrometry 
  Issued on: 2009-12-15   Price(USD): 160.0
GB/T 24794-2009 Photographic chemicals—Measurement methods of the trace elements in the organic compounds—Inductively coupled plasma atomic emission spectrometry (ICP-AES) 
  Issued on: 2009-12-15   Price(USD): 180.0
GB/T 22409-2008 Photography - Processing chemicals - Specifications for possium sulfite solution，650g/L 
  Issued on: 2008-10-10   Price(USD): 150.0
GB/T 22404-2008 Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate 
  Issued on: 2008-10-10   Price(USD): 150.0
GB/T 22407-2008 Photography - Processing chemicals - Specifications for sodium tetraborate decahydrate 
  Issued on: 2008-10-10   Price(USD): 100.0
GB/T 22401-2008 Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite 
  Issued on: 2008-10-10   Price(USD): 150.0
GB/T 22408-2008 Photography - Processing chemicals - Specifications for anhydrous sodium sulfite 
  Issued on: 2008-10-10   Price(USD): 150.0
GB/T 22402-2008 Photography - Processing chemicals - Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate 
  Issued on: 2008-10-10   Price(USD): 100.0
GB/T 22403-2008 Photography - Processing chemicals - Specifications for anhydrous potassium carbonate 
  Issued on: 2008-10-10   Price(USD): 150.0
GB/T 22405-2008 Photography - Processing chemicals - Specifications for potassium bromide 
  Issued on: 2008-10-10   Price(USD): 140.0
GB/T 22406-2008 Photography - Processing chemicals - Specifications for boric acid，granular 
  Issued on: 2008-10-10   Price(USD): 100.0
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