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GB/T 20432.2-2007 Photography—Photographic-grade chemicals—Test methods—Part 2:Determination of matter insoluble in water via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 22406-2008 Photography - Processing chemicals - Specifications for boric acid,granular (USD) via email in 1-3 business day VALID
HG/T 4007-2008 Photographic chemicals Aluminium potassium sulfate dodecahydrate (USD) via email in 1 business day VALID
GB/T 20432.4-2006 Photography―Photographic-grade chemicals―Test methods―Part 4: Determination of residue after ignition via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 22404-2008 Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate (USD) via email in 1-3 business day VALID
HG/T 2335-2003 2 --[ ( 4 -- Amino -- 3 -- methylphenyl ) ethylamino ] -- ethanol sulfate ( CD -4 ) (USD) via email in 1-3 business day VALID
GB/T 22398-2008 Photography - Processing chemicals - Specifications for potassium hydroxide (USD) 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 (USD) via email in 1-3 business day VALID
HG/T 2535-1993 (USD) via email in 1-3 business day ABOLISHED
GB/T 20432.13-2007 Photography—Photographic-grade chemicals—Test mehtods—Part 13:Determination of pH via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 20432.9-2007 Photography—Photographic-grade chemicals—Test methods—Part 9:Reaction to ammoniacal silver nitrate via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
HG/T 3016-1999 Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate (USD) via email in 1-3 business day VALID
HG/T 2261-1991 (USD) via email in 1-3 business day ABOLISHED
GB/T 24793-2009 Photography—Processing wastes—Determination of silver content (USD) via email in 1-3 business day VALID
GB/T 20432.10-2007 Photography—Photographic-grade chemicals—Test methods—Part 10:Determination of sulfide content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
HG/T 2416-1993 Photographic Chemicals Coupler --Determination of trace sulpher --Molecular absorption spectrophotometry (USD) via email in 1-3 business day ABOLISHED
GB/T 20432.6-2008 Photography - Photographic-grade chemicals - Test methods - Part 6: Determination of halide content (USD) via email in 1-3 business day VALID
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