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Database: 365,228(8 Aug 2026)

Surface water quality categories 1, 2, 3, 4 and 5

Surface water quality categories 1, 2, 3, 4 and 5, Total:42 items.

The international standard classification for "Surface water quality categories 1, 2, 3, 4 and 5" includes: Other products of the chemical industry , Textiles in general .

The Chinese standard classification for "Surface water quality categories 1, 2, 3, 4 and 5" includes: Water treatment agent , Hydrogeological survey , Basic standards and general methods .


Professional Standard - Agriculture

Professional Standard - Environmental Protection

  • HJ 1048-2019 Water quality—Determination of 17 aniline compounds—Liquid chromatography-triple quadrupole mass spectrometry
  • HJ 1242-2022 Water quality—Determination of 6 phthalate esters (PAEs) —Liquid chromatography-triple quadrupole mass spectrometry

Professional Standard - Chemical Industry

  • HG/T 3777-2005 Water treatment chemicals - Diethlenetriamine penamethylene phosphonic acid
  • HG/T 4329-2012 Water Treatment Chemical - Ethylene Diamine Tetra (Methylene Phosphonic) Penta Sodium Salt
  • HG/T 3777-2023 Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid

Hubei Provincial Standard of the People's Republic of China

  • DB42/T 1935-2022 Determination of Eleven Triazine Pesticides in Water Quality by Liquid Chromatography-Triple Quadrupole Mass Spectrometry

Professional Standard - Geology

  • DZ/T 0064.64-1993 Groundwater quality test methods - the determination of sulfate radical with disodium EDTA-barium titrimetry
  • DZ/T 0064.13-1993 Groundwater quality test methods - the determination of calcium with calcium-EDTA titrimetric method
  • DZ/T 0064.15-1993 Groundwater quality test methods - the determination of hardness with calcium-EDTA titrimetric method
  • DZ/T 0064.14-1993 Groundwater quality test methods - the determination of magnesium with calcium-EDTA titrimetric method

化学工业部

  • HG/T 2336-1992 Photographic chemicals sodium iron ethylenediaminetetraacetate trihydrate

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 23323-2009 Textiles - Determination of surfactant - Ethylene diamine tetra acetate and diethylene triamine penta acetate

Group Standards of the People's Republic of China

  • T/CAQI 381-2024 Determination of 10 sulfonylureas, 10 triazines and 14 triazole pesticides in water by liquid chromatography-triple quadrupole mass spectrometry

CZ-CSN

SCC

  • BS 3576:1963 Specification for diSodium tetraborate dechydrate, diSidium pentahydrate and anhydrous diSodium tetraborate (technical grades)
  • AWWA ACE58145 Distribution System Water Quality Following Blending Surface, Ground, and Saline Sources
  • AWWA DSS65668 A Circulation Apparatus to Reduce Evaporation and Enhance Water Quality of Surface Water Reservoirs
  • MIL MIL-DTL-32594-2018 SODIUM PHOSPHATE, TRIBASIC; ANHYDROUS, DODECAHYDRATE, AND MONOHYDRATE, TECHNICAL

GOSTR

  • GOST R 59054-2020 Environmental protection. Surface and underground water. Classification of water bodies

German Institute for Standardization

  • DIN 38413-8:2000-09 German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 8: Determination of nitrilotriacetic acid (NTA), ethylenedinitrilotetraacetic acid (EDTA) and diethylenetrinitrilopentaacetic acid (DTPA) ...

International Organization for Standardization (ISO)

  • ISO/TR 21414:2016 Hydrometry - Groundwater - Surface geophysical surveys for hydrogeological purposes

VN-TCVN

  • TCVN 5295-1995 Water quality.General requirements for protection of surface and underground water from pollution caused by oil and oil products

RO-ASRO

  • STAS 8911-1971 SURFACE AND WASTE WATERS Determination of total carbon dioxide
  • STAS 8581-1970 SURFACE AND WASTE WATERS Carbon disulfide determination

British Standards Institution (BSI)

GSO