relative isotope ratio

relative isotope ratio, Total:105 items.

The international standard classification for "relative isotope ratio" includes: Measurement of volume, mass, density, viscosity , Fruits and derived products , Soil quality and pedology in general , Radiation protection , General methods of tests and analysis for food products .

The Chinese standard classification for "relative isotope ratio" includes: Basic standard and general method , Beverages in general , Soil and fertilizer in general , Material composition analysis instrument and environment detection instrument in general , Basic standards and general methods .

Professional Standard - Agriculture

SN/T 5641-2024 Determination of stable oxygen isotope ratios of water in non-concentrated reconstituted fruit juices for export - isotope equilibrium exchange method
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)
NY/T 4610-2025 Determination of stable isotope ratios (carbon, nitrogen, hydrogen, and oxygen) in plant-based agricultural products Stable Isotope Ratio Mass Spectrometry

Professional Standard - Commodity Inspection

SN/T 4675.32-2021 Method for the determination of nitrogen stable isotope ratio in wine for export
SN/T 3846-2014 Determination of carbon isotope ratio in apples and concentrated apple juice for export
SN/T 4675.31-2019 Determination of carbon stable isotope ratio of glycerol in wine for expore LC-IRMS method

Professional Standard - Geology

DZ/T 0184.4-1997 Determination of rubidium-strontium isotope geological age and strontium isotope ratio in rock and mineral
DZ/T 0184.6-1997 Determination of samarium-neodymium isotope geological age and neodymium isotope ratio
DZ/T 0184.10-1997 Determination of uranium series geological age and uranium/thorium isotopic ratio
DZ/T 0184.5-2024 Isotope analysis methods for geological samples. Part 5: Determination of isotope ages of rubidium-strontium systems and strontium isotope ratios of geological samples by thermal ionization mass spectrometry
DZ/T 0184.4-2024 Isotope analysis methods for geological samples - Part 4: Determination of isotopic ages of samarium-neodymium system and neodymium isotope ratios of geological samples - Thermal ionization mass spectrometry
DZ/T 0184.9-2024 Isotope analysis methods for geological samples. Part 9: Determination of argon-argon isotope age and argon isotope ratio of geological samples. Furnace method
DZ/T 0184.8-1997 Determination of 40Ar -39 Ar isotope geological age and argon isotope ratio

Professional Standard - Tobacco

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 4855-2015 Determination of the oxygen isotope ratio (180/160) of water in fruit juices. 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
QB/T 4853-2015 Determination of the oxygen isotope ratio(18O/16O) of water in wines . Method using isotopic equilibrium exchange reaction
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
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 5164-2017 Determination of the stable carbon isotope ratio C13C/12C of ethanol in Baijiu--Gas chromatography-combustion-isotope ratio mass spectrometry
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

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

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
BJS 202302 Identification method of glacial acetic acid and counterfeit vinegar Gas chromatography-stable isotope ratio mass spectrometry
BJS 202302:2023 Identification method of glacial acetic acid and counterfeit vinegar Gas chromatography-stable isotope ratio mass spectrometry
SN/T 4675.3-2016 Dertermination of the stable carbon isotope ratio of ethanol in wine for export
GB/T 37848-2019 Determination of strontium isotopic ratios in aqueous solution

Group Standards of the People's Republic of China

T/CSRP 01-2023 Neutron attenuation ratio test specifications based on isotope neutron sources
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 - Petroleum

SY/T 7359-2017 The method for isotopic ratio determination of noble gases by mass spectrometry

Professional Standard - Nuclear Industry

EJ/T 842-1994 Zinc Isotope Ratio and Zinc Content Measurement Double Dilution Mass Spectrometry

Professional Standard - Chemical Industry

HG/T 5170-2017 Determination of abundance for stable isotope deuterium labeling compound. Gas chromatography-mass spectrometry

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 975-2016 Detection method of carbon and nitrogen isotope abundance ratio in beef and mutton of livestock products

European Committee for Standardization (CEN)

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
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 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 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 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 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
EN ISO 2814:2006 Paints and varnishes - Comparison of contrast ratio (hiding power) of paints of the same type and colour

British Standards Institution (BSI)

DD ENV 12142-1997 Method for determination of stable hydrogen isotope ratio ( H/ H) of water from fruit juices, using isotope ratio mass spectrometry
DD ENV 12140-1997 Method for determination of stable carbon isotope ratio ( C/ C) of sugars from fruit juices, using isotope ratio mass spectrometry
DD ENV 12141-1997 Method for determination of stable oxygen isotope ratio ( O/ O) of water from fruit juices, using isotope ratio mass spectrometry
BS EN 18054:2025 Food authenticity. Determination of C and/or N isotope ratios in food by Elemental Analyser. Isotope Ratio Mass Spectrometry (EA-IRMS)
24/30457296 DC BS EN 18054 Food authenticity. Determination of C and/or N isotope ratios in food by Elemental Analyser. Isotope Ratio Mass Spectrometry (EA-IRMS)
DD 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
DD ENV 12140:1997 Method for determination of stable carbon isotope ratio (13C/12C) of sugars from fruit juices, using isotope ratio mass spectrometry
DD ENV 12142:1997 Method for determination of stable hydrogen isotope ratio (2H/1H) of water from fruit juices, using isotope ratio mass spectrometry
DD ENV 12141:1997 Method for determination of stable oxygen isotope ratio (18O/16O) of water from fruit juices, using isotope ratio mass spectrometry
BS ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
BS DD ENV 13070:1998 Fruit and vegetable juices - Determination of the stable carbon isotope ratio ( 1 3C/ 1 2C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry

Standards Norway

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 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
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 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

Spanish Association for Standardization (UNE)

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.
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

Lithuanian Standards Office

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
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

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 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
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
DANSK DS/ISO 20921:2019 Textiles – Determination of stable nitrogen isotope ratio in cotton fibres

German Institute for Standardization

DIN EN 18054:2024 Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS); German and English version prEN 18054:2024
DIN EN 18054 E:2024 Draft Document - Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS); German and English version prEN 18054:2024
DIN EN 18054:2024-03 Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS); German and English version prEN 18054:2024 / Note: Date of issue 2024-02-16*CD-ROM
DIN EN 18054 E:2024-03 Draft Document - Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS); German and English version prEN 18054:2024
DIN V ENV 13070 DIN:1998-07 Determination of Stable Carbon Isotope Ratios (^{13}C/^12C) in Fruit and Vegetable Juices in Pulp Using Isotope Mass Spectrometry
DIN V ENV 13070:1998-07 Fruit and vegetable juices - Determination of stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry; German version ENV 13070:1998
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
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 12142:1996-12 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (H/H) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12142:1996
DIN V ENV 12141:1996-12 Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (O/O) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12141:1996
DIN V ENV 12140:1996-12 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
DIN V ENV 13070:1998 Fruit and vegetable juices - Determination of stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) in the pulp of fruits juices - Method using isotope ratio mass spectrometry; German version ENV 13070:1998
DIN EN ISO 2814:2006 Paints and varnishes - Comparison of contrast ratio (hiding power) of paints of the same type and colour (ISO 2814:1973); English version of DIN EN ISO 2814:2006-04

Association Francaise de Normalisation

NF V03-568*NF EN 18054:2025 Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS)
NF V56-003-2*NF EN 16466-2:2013 Vinegar - Isotopic analysis of acetic acid and water - Part 2: 0C-IRMS analysis of acetic acid

Ente Nazionale Italiano di Unificazione

UNI ENV 13070:1999 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
UNI 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.
UNI 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.
UNI 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.
EC 1-2020 UNI 11692:2017 Analysis of stable isotope ratios of H, C, N and S of cheese
UNI 8908:1986 Paints and varnishes. Determination of contrast ratio of coloured paints of the same type and colour.
UNI 11692:2017 Analysis of stable isotope ratios of H, C, N and S of cheese
UNI EN 18054:2025 Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS)

American Water Works Association (AWWA)

AWWA QTC97113 A Study of the Isotopic Uranium Abundance Ratios for Select California Groundwater
AWWA JAW49827 Journal AWWA — Isotopic Uranium Activity Ratios in California Groundwater

American Society for Testing and Materials (ASTM)

ASTM E2426-05 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
ASTM D7219-08 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites
ASTM D7219-05 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites

Korean Agency for Technology and Standards (KATS)

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

Portuguese Institute of Quality

NP 2402-1984 Paints and varnishes. Comparison of contrast ratios (coverage) of paints of the same color type

Swedish Institute for Standards

SS-ISO 15366:2000 Nuclear energy - Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography

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