共找到 150 條與 碳同位素比值 相關的標準，共 10 頁
Technical requirements for determination of reference materials: Organic isotope dilution mass spectrometry
Nuclear fuel technology -- Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry
Nuclear fuel technology -- Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry
1.1 These test methods do not address environmental impact, product performance and functionality, determination of geographical origin
Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis
Carbonaceous materials.Determination of vanadium content.Colorimetric method
1.1 These test methods do not address environmental impact, product performance and functionality, determination of geographical origin
Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis
1.1 These test methods do not address environmental impact, product performance and functionality, determination of geographical origin
Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis
1.1 These test methods do not address environmental impact, product performance and functionality, determination of geographical origin
Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis
1.1 These test methods do not address environmental impact, product performance and functionality, determination of geographical origin
Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis
Iodine isotope detection in water
本標準規定了穩定同位素氖氣的要求、試驗方法、檢驗規則、標識、包裝、運輸和貯存、安全要求。 本標準適用于以純氖氣為原料、用熱擴散法生產的穩定同位素氖氣
Stable isotope gaseous neon
Juices and juice products. Identification. Determination of stable carbon isotopes by mass-spectrometry method
本標準規定了C02-H2O平衡法測定氧同位素的方法。 本標準適用于一般地下水中氧同位素的測定。堿性水樣必須先進行酸化。礦化度高的水樣，要預先進行真空蒸餾以消除鹽份對測定結果的影響。本法精度為士0.2
Groundwater Quality Examination Methods Carbon Dioxide-Water Balance Method Determination of Oxygen Isotopes
Caprylic acid labeled with stable isotope 13C and amino acid labeled with stable isotope 15N (2021)
SYMPOSIUM ON RADIOISOTOPES
