2025-12-5 216.73.216.21
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GB/T 29509.1-2025 Methods for chemical analysis of gold-loaded carbon—Part 1: Determination of gold and silver contents 270.0 via email in 1~3 business day to be valid,,2026-1-1
GB/T 20899.9-2025 Methods for chemical analysis of gold ores—Part 9: Determination of carbon content 255.0 via email in 1~3 business day to be valid,,2026-1-1
GB/T 20899.10-2025 Methods for chemical analysis of gold ores—Part 10: Determination of antimony content 270.0 via email in 1~3 business day to be valid,,2026-1-1
GB/T 7739.10-2025 Methods for chemical analysis of gold concentrates—Part 10: Determination of antimony content 255.0 via email in 1~3 business day to be valid,,2026-1-1
GB/T 7739.9-2025 Methods for chemical analysis of gold concentrates—Part 9: Determination of carbon content 255.0 via email in 1~3 business day to be valid,,2026-1-1
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 255.0 via email in 1~3 business day valid,,2024-3-1
GB/T 20899.8-2022 Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content 225.0 via email in 1~3 business day valid,,2023-7-1
GB/T 7739.7-2022 Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content 105.0 via email in 1~3 business day valid,,2023-7-1
GB/T 7739.8-2022 Methods for chemical analysis of gold concentrates—Part 8: Determination of sulfur content 210.0 via email in 1~3 business day valid,,2023-7-1
GB/T 20899.7-2022 Methods for chemical analysis of gold ores—Part 7: Determination of iron content 165.0 via email in 1~3 business day valid,,2023-7-1
DZ/T 0204-2022 Specifications for rare earth mineral exploration 1300.0 via email in 1~5 business day valid,,2022-11-1
GB/T 20899.6-2021 Methods for chemical analysis of gold ores—Part 6: Determination of zinc content 165.0 via email in 1~3 business day valid,,2022-3-1
GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content 225.0 via email in 1~3 business day valid,,2022-3-1
GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4: Determination of copper content 225.0 via email in 1~3 business day valid,,2022-3-1
GB/T 7739.6-2021 Methods for chemical analysis of gold concentrates—Part 6: Determination of zinc content 225.0 via email in 1~3 business day valid,,2022-3-1
GB/T 7739.5-2021 Methods for chemical analysis of gold concentrates—Part 5: Determination of lead content 225.0 via email in 1~3 business day valid,,2022-3-1
GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 225.0 via email in 1~3 business day valid,,2021-12-1
GB/T 20899.2-2019 Methods for chemical analysis of gold ores -- Part 2: Determination of silver content -- Flame atomic absorption spectrometric method 100.0 via email in 1~3 business day valid,,2020-11-1
GB/T 20899.3-2019 Methods for chemical analysis of gold ores -- Part 3: Determination of arsenic content 170.0 via email in 1~3 business day valid,,2020-11-1
GB/T 20899.1-2019 Methods for chemical analysis of gold ores—Part 1:Determination of gold content 270.0 via email in 1~3 business day valid,,2020-11-1
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GB/T 29509.1-2025 Methods for chemical analysis of gold-loaded carbon—Part 1: Determination of gold and silver contents 
  Issued on: 2025-06-30   Price(USD): 270.0
GB/T 20899.9-2025 Methods for chemical analysis of gold ores—Part 9: Determination of carbon content 
  Issued on: 2025-06-30   Price(USD): 255.0
GB/T 20899.10-2025 Methods for chemical analysis of gold ores—Part 10: Determination of antimony content 
  Issued on: 2025-06-30   Price(USD): 270.0
GB/T 7739.10-2025 Methods for chemical analysis of gold concentrates—Part 10: Determination of antimony content 
  Issued on: 2025-06-30   Price(USD): 255.0
GB/T 7739.9-2025 Methods for chemical analysis of gold concentrates—Part 9: Determination of carbon content 
  Issued on: 2025-06-30   Price(USD): 255.0
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 7739.7-2022 Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content 
  Issued on: 2022-12-30   Price(USD): 105.0
GB/T 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
DZ/T 0204-2022 Specifications for rare earth mineral exploration 
  Issued on: 2022-07-20   Price(USD): 1300.0
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 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 7739.6-2021 Methods for chemical analysis of gold concentrates—Part 6: Determination of zinc content 
  Issued on: 2021-08-20   Price(USD): 225.0
GB/T 7739.5-2021 Methods for chemical analysis of gold concentrates—Part 5: Determination of lead content 
  Issued on: 2021-08-20   Price(USD): 225.0
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 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 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
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