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Database: 365,228(8 Aug 2026)

Total nitrogen and total phosphorus in water

Total nitrogen and total phosphorus in water, Total:23 items.

The international standard classification for "Total nitrogen and total phosphorus in water" includes: Fertilizers .

The Chinese standard classification for "Total nitrogen and total phosphorus in water" includes: Basic standards and general methods on chemical fertilizers , Chemical fertilizer and chemical soil conditioner .


National Metrological Verification Regulations of the People's Republic of China

  • JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Jiangsu Provincial Standard of the People's Republic of China

  • DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

Professional Standard - Agriculture

  • NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
  • GB 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation

Group Standards of the People's Republic of China

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

  • GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
  • GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
  • GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation

Professional Standard - Coal

American Society for Testing and Materials (ASTM)

  • ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water

TR-TSE

  • TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

SE-SIS

International Organization for Standardization (ISO)

  • ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun

HU-MSZT

Japanese Industrial Standards Committee (JISC)

  • JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus

SCC

  • DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...

GSO

  • GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...