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Database: 365,228(8 Aug 2026)

unstable isotope

unstable isotope, Total:79 items.

The international standard classification for "unstable isotope" includes: General methods of tests and analysis for food products , Other products of the chemical industry , Other organic chemicals , Fruits and derived products , Soil quality and pedology in general , Measurement of volume, mass, density, viscosity .

The Chinese standard classification for "unstable isotope" includes: Basic standards and general methods , Industrial gas and chemical gas , Other chemical products in general , Organic chemicals in general , Beverages in general , Chemical Measurement , Basic standards and general methods , Basic standard and general method , Soil and fertilizer in general .


Group Standards of the People's Republic of China

  • T/CNFIA 142-2022 Determination of the 13C/12C isotope ratio of ascorbic acid in vitamin C products
  • T/NAIA 0208-2023 Determination of Stable Isotope Ratio of Carbon and Nitrogen in Lycium Barbarum by Stable Isotope Analyzer Method

Professional Standard - Chemical Industry

工业和信息化部

  • QB/T 5164-2017 Determination of the stable carbon isotope ratio C13C/12C of ethanol in Baijiu--Gas chromatography-combustion-isotope ratio mass spectrometry
  • HG/T 4850.4-2019 Stable isotope deuterium labelled reagents. Part 4. Dipterex-D6
  • HG/T 4850.5-2020 Stable isotope deuterium labelled reagents-Part 5: Clenbuterol-D9
  • HG/T 5942-2021 Stable isotope15N labeled amino acid
  • QB/T 5299-2018 Determination of the 13C/12C isotope ratio of glycerol in wines. Method using liquid chromatography coupled to isotope ratio mass spectrometry
  • HG/T 5170-2017 Determination of abundance for stable isotope deuterium labeling compound. Gas chromatography-mass spectrometry
  • HG/T 5941-2021 Stable isotope13C labelled octanoic acid
  • QB/T 5163-2017 Determination of the stable carbon isotope ratio(13C/12C ) of acetic acid in vinegar-Gas chromatography-combustion-isotope ratio mass spectrometry
  • HG/T 5339-2018 Stable isotope 15N labelled melamine

Professional Standard - Agriculture

  • JJF 2110-2024 Technical Requirements for Production of Stable Isotopic Reference Materials
  • SN/T 5035-2018 Method for the determination of carbon stable isotope ratio inalcoholic beverage ethanol for export - Gas chromatography-combustion - Isotope ratio mass spectrometer method (GC-C-IRMS)

海关总署

  • SN/T 4675.32-2021 Method for the determination of nitrogen stable isotope ratio in wine for export
  • SN/T 4675.31-2019 Determination of carbon stable isotope ratio of glycerol in wine for expore LC-IRMS method

国家烟草专卖局

  • YC/T 560-2018 Determination of hydrogen stable isotope ratio of nicotine, a characteristic component of tobacco, by gas chromatography-stable isotope ratio mass spectrometry

Professional Standard - Light Industry

  • QB/T 4852-2015 Determination of the carbon isotope ratio(13C/12C)of CO2 in sparkling wines. Method using isotope ratio mass spectrometry
  • QB/T 4855-2015 Determination of the oxygen isotope ratio (180/160) of water in fruit juices. Method using isotopic equilibrium exchange reaction
  • QB/T 4853-2015 Determination of the oxygen isotope ratio(18O/16O) of water in wines . Method using isotopic equilibrium exchange reaction
  • QB/T 4854-2015 Determination of the carbon isotope ratio (13C/12C) of total sugar and pulp in orange juice. Method using isotope ratio mass spectrometry

National Metrological Technical Specifications of the People's Republic of China

  • JJF 1158-2006 Calibration Specification for Stable Isotope Gas Mass Spectrometer

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 37750-2019 Stable isotope applied terminology and product naming rules

交通运输部

  • JT/T 1190-2018 Technical regulations of oil fingerprint identification of water oil spill based on stable isotope analysis

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

  • GB/T 20622-2006 Stable isotope 15N Inorganic labelled compound
  • GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
  • GB/T 18340.2-2010 Organic geochemical analysis method for geological samples—Part 2:Determination of organic carbon stable isotopic component—Isotopic mass spectrometry

国家质量监督检验检疫总局

  • SN/T 4675.3-2016 Dertermination of the stable carbon isotope ratio of ethanol in wine for export

国家能源局

  • NB/T 10381-2019 Technical Specification for Hydrogen and Oxygen Stable Isotope Tracing Water-inrush Sources of Coal Mines

Fujian Provincial Standard of the People's Republic of China

  • DB3502/T 103-2023 Technical Guidelines for Sulfur Source Analysis of Atmospheric PM2.5 by Stable Isotope Method

Professional Standard - Geology

  • DZ/T 0184.8-1997 Determination of 40Ar -39 Ar isotope geological age and argon isotope ratio
  • DZ/T 0184.6-1997 Determination of samarium-neodymium isotope geological age and neodymium isotope ratio

RU-GOST R

  • GOST 26335-1984 Stable isotope compounds and products. Grades
  • GOST 23644-1979 Gaseous nitrogen concentrated by stable isotope Nitrogen-15. Specifications
  • GOST 32688-2014 Foodstuffs. Determination of sugar-containing ingredients by mass spectrometry of stable oxygen isotopes
  • GOST 31718-2012 Juices and juice products. Identification. Determination of stable oxygen isotopes by mass-spectrometry method
  • GOST 31715-2012 Juices and juice products. Identification. Determination of stable hydrogen isotopes by mass-spectrometry method
  • GOST 31714-2012 Juices and juice products. Identification. Determination of stable carbon isotopes by mass-spectrometry method

SCC

  • NS-ENV 12141:1996 Fruit and vegetable juices — Determination of the stable oxygen isotope (18O/16O) of water from fruit juices — Method using isotope ratio mass spectrometry
  • NS-ENV 12142:1996 Fruit and vegetable juices — Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices — Method using isotope ratio mass spectrometry
  • NS-ENV 13070:1998 Fruit and vegetable juices — Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices — Method using isotope ratio mass spectrometry
  • NS-ENV 12140:1996 Fruit and vegetable juices — Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices — Method using isotope ratio mass spectrometry
  • DANSK DS/ISO 20921:2019 Textiles – Determination of stable nitrogen isotope ratio in cotton fibres

Spanish Association for Standardization (UNE)

  • UNE-ENV 12141:1997 Fruit and vegetable juices - Determination of the stable oxygen isotope (18O/16O) of water from fruit juices - Method using isotope ratio mass spectrometry
  • UNE-ENV 12140:1997 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices - Method using isotope ratio mass spectrometry
  • UNE-ENV 12142:1997 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
  • UNE 34103:2022 Fruit and vegetable juices. Determination of the stable oxygen isotope ratio (18O/16O) of water from fruit juices. Method using isotope ratio mass spectrometry.
  • UNE-ENV 13070:2001 FRUIT AND VEGETABLE JUICES - DETERMINATION OF THE STABLE CARBON ISOTOPE RATIO (13C/12C) IN THE PULP OF FRUIT JUICES - METHOD USING ISOTOPE RATIO MASS SPECTROMETRY.
  • UNE-EN IEC 62793:2022 Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices. Method using isotope ratio mass spectrometry.
  • UNE 34101:2022 Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices. Method using isotope ratio mass spectrometry.
  • UNE 34102:2022 Fruit and vegetables juices. Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices. Method using isotope ratio mass spectrometry.

Lithuanian Standards Office

  • LST L ENV 12141-2000 Fruit and vegetable juices - Determination of the stable oxygen isotope (18O/16O) of water from fruit juices - Method using isotope ratio mass spectrometry
  • LST L ENV 12140-2000 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices - Method using isotope ratio mass spectrometry
  • LST L ENV 12142-2000 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
  • LST L ENV 13070-2000 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry

Danish Standards Foundation

  • DS/ENV 12142:1997 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
  • DS/ENV 13070:1998 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry
  • DS/ENV 12141:1997 Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (18O/16O) of water from fruit juices - Method using isotope ratio mass spectrometry
  • DS/ENV 12140:1997 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruit juices - Method using isotope ratio mass spectrometry

European Committee for Standardization (CEN)

  • DD ENV 12 141-1996 Fruit and Vegetable Juices - Determination of the Stable Oxygen Isotope Ratio (18O/16O) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
  • DD ENV 12 142-1996 Fruit and Vegetable Juices - Determination of the Stable Hydrogen Isotope Ratio (2H/1H) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
  • DD ENV 12140-1996 Fruit and Vegetable Juices - Determination of the Stable Carbon Isotope Ratio (13C/12C) of Sugars from Fruits Juices - Method Using Isotope Ratio Mass Spectrometry
  • DD ENV 13070-1998 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruits juices - Method using isotope ratio mass spectrometry
  • DD ENV 12141-1996 Fruit and Vegetable Juices - Determination of the Stable Oxygen Isotope Ratio (18O/16O) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
  • DD ENV 12142-1996 Fruit and Vegetable Juices - Determination of the Stable Hydrogen Isotope Ratio (2H/1H) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
  • DD ENV 12 140-1996 Fruit and Vegetable Juices - Determination of the Stable Carbon Isotope Ratio (13C/12C) of Sugars from Fruits Juices - Method Using Isotope Ratio Mass Spectrometry

British Standards Institution (BSI)

  • BS ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres

KR-KS

  • KS K ISO 20921-2023 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

German Institute for Standardization

  • DIN V ENV 12142:1996 Fruit and vegetable juices - Determination of the stable hyydrogen isotope ratio (<(hoch)2>H/<(hoch)1>H) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12142:1996
  • DIN V ENV 12141:1996 Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (<(hoch)18>O/<(hoch)16>O) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12141:1996
  • DIN V ENV 12140:1996 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) of sugars from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12140:1996