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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for Total Nitrogen Digestion Pink

Total Nitrogen Digestion Pink

Total Nitrogen Digestion Pink, Total:74 items.

The international standard classification for "Total Nitrogen Digestion Pink" includes: Other non-ferrous metals and their alloys , Semiconducting materials .

The Chinese standard classification for "Total Nitrogen Digestion Pink" includes: Dedicated inspection equipment , Elemental semiconductor material , Analysis methods for toxic substances in water .

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

  • GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
  • GB/T 32573-2016 Silicon powder―Determination of total carbon content―Infrared absorption method after combustion in an induction furnace
  • GB/T 30075-2013 Rare Earth Activated Nitride Red Phosphors for LEDs

Professional Standard - Environmental Protection

  • HJ 677-2013 Water quality - Digestion of total metals - Nitric acid digestion method
  • HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method
  • HJ 678-2013 Water quality - Digestion of total metals - Microwave assisted acid digestion method

Professional Standard - Agriculture

Ministry of Ecology and Environment of the People's Replublic of China

  • GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method

Shandong Provincial Standard of the People's Republic of China

  • DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

Professional Standard - Ocean

  • HY/T 196-2015 Determination of dissolved inorganic carbon in sea water using non-dispersive infrared absorption

GCC Standardization Organization

  • GSO ISO 15323:2014 Dried milk protein products -- Determination of nitrogen solubility index
  • 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...
  • GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
  • OS 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...
  • GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

International Organization for Standardization (ISO)

  • ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
  • ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
  • ISO 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
  • ISO 20236:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative co
  • ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
  • ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
  • ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • ISO 8968-2:2001 | IDF 20-2: 2001 Milk — Determination of nitrogen content — Part 2: Block-digestion method (Macro method)

Danish Standards Foundation

  • 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...
  • DS/ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
  • DANSK DS/ISO 20236:2018 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
  • DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
  • DANSK DS/EN ISO 20236:2021 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • DANSK DS/EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate

International Dairy Federation (IDF)

  • IDF 173-2002 Dried milk protein products - Determinatio of nitrogen solubility index

British Standards Institution (BSI)

  • BS ISO 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
  • BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b ) and dissolved bound nitrogen (DN b ) after high temperature catalytic oxidative combustion
  • BS EN ISO 20236:2024 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • BS EN ISO 11905-1:1998 Water quality. Determination of nitrogen.. Method using oxidative digestion with peroxodisulfate
  • 23/30464382 DC BS EN ISO 20236. Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
  • BS ISO 20236:2018 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<sub>b</sub>) and dissolved bound nitrogen (DN<sub>b</sub>) after high temperature catalytic oxidative combustion
  • BS EN ISO 8968-3:2007 Milk. Determination of nitrogen content. Block-digestion method (Semi-micro rapid routine method)
  • BS EN ISO 11905-1:1998(2008)*BS 6068-2.62:1998 Water quality — Determination of nitrogen — Part 1 : Method using oxidative digestion with peroxodisulfate

Ente Nazionale Italiano di Unificazione

  • UNI EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion

European Committee for Standardization (CEN)

  • EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • prEN ISO 20236 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023)
  • EN ISO 20236:2024 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)

Association Francaise de Normalisation

  • NF EN ISO 20236:2024 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (COD), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature
  • NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion

Kingdom of Bahrain Testing and Metrology Directorate

  • BH 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...
  • BH GSO ISO 11905-1:2016 Water quality -- Determination of nitrogen -- Part 1: Method using oxidative digestion with peroxodisulfate

Spanish Association for Standardization (UNE)

  • UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • AENOR UNE-EN ISO 20236:2025 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature. (ISO 20236:2024)

German Institute for Standardization

  • DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
  • DIN EN ISO 20236:2021-09 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO 202...
  • DIN EN ISO 20236 E:2023-10 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS...
  • DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • DIN EN ISO 20236:2025-05 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)
  • DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
  • DIN EN ISO 20236 E:2023 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combust...
  • DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection

Standards Norway

  • NS-EN ISO 20236:2021 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

Austrian Standards

  • OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • ONORM F 1000 Teil.1-1988 Fire fighting and protection; terms and definitions; general

Korean Agency for Technology and Standards (KATS)

  • KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
  • KS M ISO 10048-2003 WATER QUALITY - DETERMINATION OF NITROGEN - CATALYTIC DIGESTION AFTER REDUCTION WITH DEVARDA'S ALLOY
  • KS M ISO 10048:2003 WATER QUALITY - DETERMINATION OF NITROGEN - CATALYTIC DIGESTION AFTER REDUCTION WITH DEVARDA'S ALLOY
  • KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • KS I ISO 11905-1-2018 Water quality － Determination of nitrogen － Part 1: Method using oxidative digestion with peroxodisulfate

Lithuanian Standards Office

  • LST ISO 15323:2005 Dried milk protein products. Determination of nitrogen solubility index (idt ISO 15323:2002)

Swedish Institute for Standards

  • SIS SS 02 81 27-1984 Determination of total phosphorous in water - Digestion with peroxodisulphate

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

  • TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

Bureau of Indian Standards

  • IS 18851-2024 Milk - Determination of Nitrogen Content - Block-Digestion Method (Semi-Micro Rapid Routine Method)

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