plant carbon isotopes

plant carbon isotopes, Total:35 items.

The international standard classification for "plant carbon isotopes" includes: Sugar and sugar products , Soil quality and pedology in general , Measurement of volume, mass, density, viscosity , Fruits and derived products .

The Chinese standard classification for "plant carbon isotopes" includes: Sugar refining , Soil and fertilizer in general , Petroleum geology exploration , Basic standard and general method , Beverages in general .

Professional Standard - Agriculture

NY/T 4610-2025 Determination of stable isotope ratios (carbon, nitrogen, hydrogen, and oxygen) in plant-based agricultural products Stable 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
GB/T 18932.1-2002 Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio mehtod

Professional Standard - Petroleum

SY/T 5238-1991 Hydrogen, carbon and oxygen isotope sample preparation method in natural gas
SY/T 6039-1994 Carbonate Rock Carbon Oxygen Isotope Determination Phosphoric Acid Method
SY 5238-1991 Methods for sample preparation of hydrogen, carbon and oxygen isotopes in natural gas
SY/T 5238-2008 Analysis method for carbon and oxygen isotope of organic matter and carbonate
SY/T 5238-2019 Analysis method for carbon and oxygen isotope in organic matter and carbonate

Professional Standard - Geology

DZ/T 0184.17-1997 Determination of carbon and oxygen isotopic composition in carbonate mineral or rock in phosphoric acid method
DZ/T 0184.27-2024 Methods for isotopic analysis of geological samples - Part 27: Determination of carbon and oxygen isotopic composition of carbonate rocks and minerals - Continuous flow phosphoric acid method
DZ/T 0184.18-1997 Determination of carbon and oxygen isotopic composition of carbonate in trace paleontological fossils
DZ/T 0184.28-2024 Methods for isotopic analysis of geological samples - Part 28: Determination of carbon and oxygen isotopic composition of carbonate rocks and minerals - Phosphoric acid method
DZ/T 0184.29-2024 Isotope analysis methods for geological samples Part 29: Determination of carbon and oxygen isotope composition of trace carbonate rocks and minerals Continuous flow phosphoric acid method
DZ/T 0184.4-1997 Determination of rubidium-strontium isotope geological age and strontium isotope ratio in rock and mineral
DZ/T 0184.32-2024 Isotope analysis methods for geological samples Part 32: Determination of carbon isotope composition of dissolved organic carbon in water Combustion method
DZ/T 0184.31-2024 Methods for isotopic analysis of geological samples - Part 31: Determination of carbon isotopic composition of particulate organic carbon in water - Continuous flow combustion method
DZ/T 0184.30-2024 Methods for isotopic analysis of geological samples - Part 30: Determination of carbon isotopic composition of dissolved inorganic carbon in water - Continuous flow phosphoric acid method

Professional Standard - Energy

SY/T 7770-2024 Carbon isotope logging technique specification

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 4852-2015 Determination of the carbon isotope ratio(13C/12C)of CO2 in sparkling wines. Method using isotope ratio mass spectrometry

FI-SFS

SFS 3049-1977 Determination of basic production and basic production capacity of phytoplankton using carbon radioactive isotope method

Gosstandart of Russia

GOST R 58588-2019 Sampling and preparation of plant samples for isotopic analysis

American Society for Testing and Materials (ASTM)

ASTM D7219-08 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites
ASTM D7219-05 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites

PL-PKN

PN Z70072-1989 Radiological protection in underground ining plants etermination of radium isotopes n waters with use of the li?uid cintillators method

American Petroleum Institute (API)

API 4169-1972 THE ISOTOPIC COMPOSITION OF ATMOSPHERIC CARBON MONOXIDE

German Institute for Standardization

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

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

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

Standards Norway

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

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

European Committee for Standardization (CEN)

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