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Chinese Standard Classification
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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 |
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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 |
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DB37/T 4750-2024 Determination of seven triazine herbicides in seawater-Liquid chromatography-tandem mass spectrometry
Issued on: 2024-09-03 Price(USD): |
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T/GDAEPI 27-2024 Water quality-Determination of Fluoride by -Continuous flow analysis(CFA) and spectrophotometry
Issued on: 2024-08-28 Price(USD): |
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T/GDAEPI 28-2024 Water quality-Determination of volatile sulfide compounds-Purge and trap/ gas chromatography mass-Spectrometry
Issued on: 2024-08-28 Price(USD): |
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T/BHES 2-2023 Water quality―Determination of total alkalinity,carbonate and bicarbonate―Automatic potentiometric titration
Issued on: 2023-08-25 Price(USD): 225.0 |
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T/GDCAA 004-2022 Water quality-Specifications and test procedures for chemical oxygen demand、total phosphorus、ammonia nitrogen and total nitrogen portable total monitoring instrument
Issued on: 2022-12-27 Price(USD): |
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T/GDAEM 4-2022 Water quality-Specifications and test procedures for chemical oxygen demand、total phosphorus、ammonia nitrogen and total nitrogen portable total monitoring instrument
Issued on: 2022-12-27 Price(USD): |
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T/FJEMIA 5-2022 Liquid chromatography-tandem mass spectrometry method for determinationof 13 drugs and metabolites in sewage
Issued on: 2022-11-29 Price(USD): |
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DB34/T 4300-2022 Water quality—Determination of N,N-dimethylformamide —High performance liquid chromatography
Issued on: 2022-10-26 Price(USD): |
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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 |
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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 |
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GB/T 41330-2022 Analysis of water used in boiler and cooling system—Determination of trace copper, iron, sodium, calcium and magnesium—Inductively coupled plasma mass spectrometry (ICP-MS)
Issued on: 2022-03-09 Price(USD): 150.0 |
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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 |
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GB/T 39298-2020 Reclaimed water quality—Determination of benzene homologues—Gas chromatography
Issued on: 2020-11-19 Price(USD): 130.0 |
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GB/T 39306-2020 Reclaimed water quality—Determination of total arsenic—Atomic fluorescence spectrometry
Issued on: 2020-11-19 Price(USD): 90.0 |
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GB/T 39302-2020 Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method
Issued on: 2020-11-19 Price(USD): 90.0 |
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GB/T 37907-2019 Reclaimed water quality—Determination of sulfide and cyanide—Ion chromatography
Issued on: 2019-08-30 Price(USD): 140.0 |
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GB/T 37906-2019 Reclaimed water quality—Determination of mercury—Mercury analyzer method
Issued on: 2019-08-30 Price(USD): 90.0 |
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GB/T 37905-2019 Reclaimed water quality—Determination of chromium—Voltammetry and polarography
Issued on: 2019-08-30 Price(USD): 160.0 |
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