2025-12-5 216.73.216.21
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 31329-2025 Technical specification for water-saving in circulating cooling water system 195.0 via email in 1~3 business day to be valid,,2026-5-1
GB/T 45386.1-2025 Electrochemical technical specification for industrial wastewater treatment—Part 1：General 210.0 via email in 1~3 business day valid,,2025-10-1
GB/T 45131-2025 Analysis of water used in boiler and cooling system—Determination of phosphate, chloride, silicate, total alkalinity, phenolphthalein alkalinity, hardness and iron—Spectrophotometric detection by discrete analysis systems 270.0 via email in 1~3 business day valid,,2025-8-1
GB/T 44325-2024 Technical specification for zero discharge of industrial circulating cooling water 210.0 via email in 1~3 business day valid,,2025-3-1
GB/T 14420-2024 Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate 270.0 via email in 1~3 business day valid,,2025-2-1
GB/T 43664.1-2024 Determination of dispersing performance for water treatment chemicals—Part 1：Dispersing kaolin method 105.0 via email in 1~3 business day valid,,2024-10-1
GB/T 43098.2-2023 Analysis of water treatment chemicals—Part 2: Determination of arsenic, mercury, cadmium, chromium, lead, nickel and copper—Inductively coupled plasma mass spectrometry(ICP-MS) 225.0 via email in 1~3 business day valid,,2024-6-1
GB/T 43098.1-2023 Analysis of water treatment chemicals—Part 1: Determination of phosphorus 160.0 via email in 1~3 business day valid,,2024-4-1
GB/T 6913-2023 Analysis of water used in boiler and cooling system―Determination of phosphate 180.0 via email in 1~3 business day valid,,2023-10-1
GB/T 10656-2022 Analysis of water used in boiler and cooling system—Determination of zinc 120.0 via email in 1~3 business day valid,,2022-10-1
GB/T 12157-2022 Determination of dissolved oxygen in water for industrial circulating cooling system and boiler 255.0 via email in 1~3 business day valid,,2022-10-1
GB/T 6903-2022 Analysis of water used in boiler and cooling system—General rule 165.0 via email in 1~3 business day valid,,2022-10-1
GB/T 40392-2021 Detection of Legionella in circulating cooling water 225.0 via email in 1~3 business day valid,,2022-3-1
GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method 165.0 via email in 1~3 business day valid,,2022-3-1
GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method 165.0 via email in 1~3 business day valid,,2022-3-1
GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39298-2020 Reclaimed water quality—Determination of benzene homologues—Gas chromatography 130.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39306-2020 Reclaimed water quality—Determination of total arsenic—Atomic fluorescence spectrometry 90.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39304-2020 General technical specification for sample pre-treatment of biological toxicity detection in reclaimed water 150.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39303-2020 General technical specification for pre-treatment of microorganism samples in wastewater treatment system 190.0 via email in 1~3 business day valid,,2021-10-1
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GB/T 31329-2025 Technical specification for water-saving in circulating cooling water system 
  Issued on: 2025-10-31   Price(USD): 195.0
GB/T 45386.1-2025 Electrochemical technical specification for industrial wastewater treatment—Part 1：General 
  Issued on: 2025-03-28   Price(USD): 210.0
GB/T 45131-2025 Analysis of water used in boiler and cooling system—Determination of phosphate, chloride, silicate, total alkalinity, phenolphthalein alkalinity, hardness and iron—Spectrophotometric detection by discrete analysis systems 
  Issued on: 2025-01-24   Price(USD): 270.0
GB/T 44325-2024 Technical specification for zero discharge of industrial circulating cooling water 
  Issued on: 2024-8-23   Price(USD): 210.0
GB/T 14420-2024 Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate 
  Issued on: 2024-07-24   Price(USD): 270.0
GB/T 43664.1-2024 Determination of dispersing performance for water treatment chemicals—Part 1：Dispersing kaolin method 
  Issued on: 2024-3-15   Price(USD): 105.0
GB/T 43098.2-2023 Analysis of water treatment chemicals—Part 2: Determination of arsenic, mercury, cadmium, chromium, lead, nickel and copper—Inductively coupled plasma mass spectrometry(ICP-MS) 
  Issued on: 2023-11-27   Price(USD): 225.0
GB/T 43098.1-2023 Analysis of water treatment chemicals—Part 1: Determination of phosphorus  
  Issued on: 2023-09-07   Price(USD): 160.0
GB/T 6913-2023 Analysis of water used in boiler and cooling system―Determination of phosphate 
  Issued on: 2023-03-17   Price(USD): 180.0
GB/T 10656-2022 Analysis of water used in boiler and cooling system—Determination of zinc 
  Issued on: 2022-03-09   Price(USD): 120.0
GB/T 12157-2022 Determination of dissolved oxygen in water for industrial circulating cooling system and boiler 
  Issued on: 2022-03-09   Price(USD): 255.0
GB/T 6903-2022 Analysis of water used in boiler and cooling system—General rule 
  Issued on: 2022-03-09   Price(USD): 165.0
GB/T 40392-2021 Detection of Legionella in circulating cooling water 
  Issued on: 2021-08-20   Price(USD): 225.0
GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method 
  Issued on: 2021-08-20   Price(USD): 165.0
GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method 
  Issued on: 2021-08-20   Price(USD): 165.0
GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 39298-2020 Reclaimed water quality—Determination of benzene homologues—Gas chromatography 
  Issued on: 2020-11-19   Price(USD): 130.0
GB/T 39306-2020 Reclaimed water quality—Determination of total arsenic—Atomic fluorescence spectrometry 
  Issued on: 2020-11-19   Price(USD): 90.0
GB/T 39304-2020 General technical specification for sample pre-treatment of biological toxicity detection in reclaimed water 
  Issued on: 2020-11-19   Price(USD): 150.0
GB/T 39303-2020 General technical specification for pre-treatment of microorganism samples in wastewater treatment system 
  Issued on: 2020-11-19   Price(USD): 190.0
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