pre isotope ratio

pre isotope ratio, Total:46 items.

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

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

Professional Standard - Geology

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 0184.8-1997 Determination of 40Ar -39 Ar isotope geological age and argon isotope ratio
DZ/T 0184.4-1997 Determination of rubidium-strontium isotope geological age and strontium isotope ratio in rock and mineral

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

国家能源局

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

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

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 4853-2015 Determination of the oxygen isotope ratio(18O/16O) of water in wines . Method using isotopic equilibrium exchange reaction
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 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 4855-2015 Determination of the oxygen isotope ratio (180/160) of water in fruit juices. Method using isotopic equilibrium exchange reaction

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
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 5299-2018 Determination of the 13C/12C isotope ratio of glycerol in wines. Method using liquid chromatography coupled to 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)

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 - Nuclear Industry

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

Professional Standard - Commodity Inspection

SN/T 3846-2014 Determination of carbon isotope ratio in apples and concentrated apple juice for export

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 37848-2019 Determination of strontium isotopic ratios in aqueous solution

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 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

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 12141-1997 Method for determination of stable oxygen isotope ratio ( O/ O) 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
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

SCC

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

International Organization for Standardization (ISO)

ISO 11483:1994 Preparation of plutonium sources and determination of <(hoch)238>Pu/<(hoch)239>Pu isotope ratio by alpha spectrometry

AENOR

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

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

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 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 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

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

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