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Chinese National Standard List: Precious metal ore

T/CGA 39-2023 Technical specification for treatment of cyanide leaching residue―Hydrogen peroxide oxidation process 
  Issued on: 2023-07-10   Price(USD):
GB/T 20899.15-2023 Methods for chemical analysis of gold ores―Part 15:Determination of copper,lead,zinc,silver,iron,manganese,nickel,cobalt,aluminum,chromium,cadmium,antimony,bismuth,arsenic,mercury,selenium,barium and beryllium contents―Inductively coupled plasma mass sp 
  Issued on: 2023-08-06   Price(USD): 255.0
GB/T 20899.8-2022 Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content 
  Issued on: 2022-12-30   Price(USD): 225.0
GB/T 7739.8-2022 Methods for chemical analysis of gold concentrates—Part 8: Determination of sulfur content 
  Issued on: 2022-12-30   Price(USD): 210.0
GB/T 20899.7-2022 Methods for chemical analysis of gold ores—Part 7: Determination of iron content  
  Issued on: 2022-12-30   Price(USD): 165.0
GB/T 7739.7-2022 Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content 
  Issued on: 2022-12-30   Price(USD): 105.0
GB/T 14352.24-2022 Methods for chemical analysis of tungsten ores and molybdenum ores—Part 24: Determination of germanium conten—Inductively coupled plasma mass spectrometry 
  Issued on: 2022-12-30   Price(USD): 195.0
YS/T 3044-2022 Technical specification for co-processing of cyainde leaching residue in side-blowing furnace of copper smelting 
  Issued on: 2022-10-20   Price(USD): 140.0
YS/T 3045-2022 Technical specification for gold heap leach process through dripping irrigation with subsurface pipes 
  Issued on: 2022-10-20   Price(USD): 160.0
GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content 
  Issued on: 2021-08-20   Price(USD): 225.0
GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4: Determination of copper content 
  Issued on: 2021-08-20   Price(USD): 225.0
GB/T 20899.6-2021 Methods for chemical analysis of gold ores—Part 6: Determination of zinc content 
  Issued on: 2021-08-20   Price(USD): 165.0
GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 
  Issued on: 2021-05-21   Price(USD): 225.0
GB/T 7739.1-2019 Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents 
  Issued on: 2019-12-31   Price(USD): 240.0
GB/T 20899.1-2019 Methods for chemical analysis of gold ores—Part 1:Determination of gold content 
  Issued on: 2019-12-31   Price(USD): 270.0
GB/T 20899.2-2019 Methods for chemical analysis of gold ores -- Part 2: Determination of silver content -- Flame atomic absorption spectrometric method 
  Issued on: 2019-12-10   Price(USD): 100.0
GB/T 20899.3-2019 Methods for chemical analysis of gold ores -- Part 3: Determination of arsenic content 
  Issued on: 2019-12-10   Price(USD): 170.0
GB/T 7739.3-2019 Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content 
  Issued on: 2019-12-31   Price(USD): 160.0
GB/T 7739.2-2019 Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method 
  Issued on: 2019-12-31   Price(USD): 100.0
GB/T 7739.14-2019 Methods for chemical analysis of gold concentrates—Part 14:Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 
  Issued on: 2019-08-30   Price(USD): 160.0
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