共找到 150 條與 碳同位素比值 相關的標準，共 10 頁
Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices - Method using isotope ratio mass spectrometry
This European Prestandard specifies a method for the determination of the stable carbon isotope ratio of the pulp in fruit juices. The determination
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
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
Fruit and Vegetable Juices - Determination of the Stable Carbon Isotope Ratio (13C/12C) of Sugars from Fruits Juices - Method Using Isotope Ratio Mass Spectrometry
本文件規定了通過元素分析儀-同位素比質譜法(EA-IRMS)測定食品材料中碳和/或氮同位素比的儀器分析方法。按照本文件獲得的同位素比表示為相對于國際測量標準的δ13C和/或δ15N值。本文件不適用于樣品制備。假設食品樣品已進行必要的預處理和均質化。同樣，本文件不涵蓋所獲得的同位素δ值的解釋。遵循
Food authenticity. Determination of C and/or N isotope ratios in food by Elemental Analyser. Isotope Ratio Mass Spectrometry (EA-IRMS)
本文件規定了水中溶解無機碳碳同位素組成的測定方法。 本文件適用于地下水和地表水水中溶解無機碳碳同位素組成測定。水中溶解無機碳碳同位素測定的最低濃度為 0.8mmol/L
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
This European Prestandard specifies a method forThe determination of the stable carbon isotoperatio of the pulp in fruit juices.The determination
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
Versione ufficiale della norma sperimentale europea ENV 12142 (edizione ottobre 1996) adottata nella versione in lingua inglese. Specifica un metodo
Fruit and vegetable juices. Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices. Method using isotope ratio mass spectrometry.
Method for determination of stable hydrogen isotope ratio (
Versione ufficiale in lingua inglese della norma europea sperimentale ENV 12140 (edizione ottobre 1996). Specifica un metodo per la determinazione del
Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices. Method using isotope ratio mass spectrometry.
本文件規定了地質樣品氬-氬同位素年齡及氬同位素比值的熔爐法測定方法。 本文件適用于巖石和含鉀礦物的氬-氬同位素年齡測定。本文件不適用于鉀質量分數低于 0.1% 的樣品
Isotope analysis methods for geological samples. Part 9: Determination of argon-argon isotope age and argon isotope ratio of geological samples. Furnace method
Determination of hydrogen stable isotope ratio of nicotine, a characteristic component of tobacco, by gas chromatography-stable isotope ratio mass spectrometry
Fruit and vegetables juices. Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices. Method using isotope ratio mass spectrometry.
Determination of Stable Carbon Isotope Ratios (^{13}C/^12C) in Fruit and Vegetable Juices in Pulp Using Isotope Mass Spectrometry
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.
