carbon isotope ratio

carbon isotope ratio, Total:56 items.

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

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

Professional Standard - Energy

NB/T 11338-2023 Shale gas一Determination of the ratio of adsorbed gas to free gas一Methane carbon isotope quantitative method

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

SN/T 4675.3-2016 Dertermination of the stable carbon isotope ratio of ethanol in wine for export
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 18932.1-2002 Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio mehtod
GB/T 37848-2019 Determination of strontium isotopic ratios in aqueous solution

Group Standards of the People's Republic of China

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

Professional Standard - Light Industry

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 5163-2017 Determination of the stable carbon isotope ratio(13C/12C ) of acetic acid in vinegar-Gas chromatography-combustion-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 4854-2015 Determination of the carbon isotope ratio (13C/12C) of total sugar and pulp in orange juice. Method using isotope ratio mass spectrometry

Professional Standard - Agriculture

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

Professional Standard - Geology

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

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

German Institute for Standardization

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 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 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 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 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 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

European Committee for Standardization (CEN)

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
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 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 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

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 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 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-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

Standards Norway

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 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

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 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 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

Danish Standards Foundation

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 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 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

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 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 EN 18054:2025 Food authenticity - Determination of C and/or N isotope ratios in food by Elemental Analyser - Isotope Ratio Mass Spectrometry (EA-IRMS)

British Standards Institution (BSI)

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)
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 12140-1997 Method for determination of stable carbon isotope ratio ( C/ C) of sugars from fruit juices, using isotope ratio mass spectrometry

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)