Urea stable isotope standard value
Urea stable isotope standard value, Total:20 items.
The international standard classification for "Urea stable isotope standard value" includes: Other products of the chemical industry , Fruits and derived products , Soil quality and pedology in general .
The Chinese standard classification for "Urea stable isotope standard value" includes: Other chemical products in general , Industrial gas and chemical gas , Beverages in general , Soil and fertilizer in general .
Professional Standard - Chemical Industry
- HG/T 5941～5942-2021 Caprylic acid labeled with stable isotope 13C and amino acid labeled with stable isotope 15N (2021)
- HG/T 4850.1~4850.3-2015 Stable isotope deuterium labelled reagents
- HG/T 3789-2005 Stable isotope gaseous neon
- HG/T 4138-2010 Stable isotope 13C labelled Urea
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
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 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
海关总署
- SN/T 4675.31-2019 Determination of carbon stable isotope ratio of glycerol in wine for expore LC-IRMS method
工业和信息化部
- 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
- HG/T 5941-2021 Stable isotope13C labelled octanoic acid
- 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 5942-2021 Stable isotope15N labeled amino acid
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)
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
British Standards Institution (BSI)
- 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 - DD ENV 12142-1997 Method for determination of stable hydrogen isotope ratio (
H/ H) of water from fruit juices, using isotope ratio mass spectrometry
