Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YB/T 4267-2011 Division of production grade for iron ores $184.00 via email in 1~3 business day valid
YS/T 1047.1-2015 Methods for chemical analysis of copper magnetite―Part 1:Determination of copper content―2,2-biquinoly spectrophotometric method and flame atomic absorption spectrometric method $165.00 via email in 1~3 business day valid
YS/T 1047.10-2015 Method for chemical analysis of copper magnetite―Part 10:Determination of iron(Ⅱ)oxide content―Potassium dichromate titration method $144.00 via email in 1~3 business day valid
YS/T 1047.11-2015 Methods for chemical analysis of copper magnetite―Part 11:Determination of magnet iron content―Potassium dichromate titration method $144.00 via email in 1~3 business day valid
YS/T 1047.2-2015 Methods for chemical analysis of copper magnetite―Part 2:Determination of total iron content―Potassium dichromate titration methods $165.00 via email in 1~3 business day valid
YS/T 1047.3-2015 Methods for chemical analysis of copper magnetite―Part 3:Determination of copper and iron contents―Sodium hyposulfite titration $165.00 via email in 1~3 business day valid
YS/T 1047.4-2015 Methods for chemical analysis of copper magnetite―Part 4:Determination of sulfur content―High frequency combustion with infrared absorption method $165.00 via email in 1~3 business day valid
YS/T 1047.5-2015 Methods for chemical analysis of copper magnetite-Part 5:Determination of phosphorus content-Titrimetric method $165.00 via email in 1~3 business day valid
YS/T 1047.6-2015 Methods for chemical analysis of copper magnetite-Part 6:Determination of copper,total iorn,silicon dioxide,alumina oxide,calcium oxide,magnesium oxide,titanium dioxide,manganese oxide and phosphorus contents-Wavelength dispersive X-ray fluorescence spectrometric method $225.00 via email in 1~3 business day valid
YS/T 1047.7-2015 Methods for chemical analysis of copper magnetite-Part 7:Determination of copper,manganese,aluminium,calcium,magnestium,titanium and phosphorus contents-Inductively coupled plasma atomic emission spectrometric method $165.00 via email in 1~3 business day valid
YS/T 1047.9-2015 Methods for chemical analysis of copper magnetite - Part 9: Determination of metallic iron content - Sulfosalicylic acid photometric method $160.00 via email in 1~3 business day valid
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