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Standard Code | Standard Title | Standard Class | Order |
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GB/T 42490-2023 |
Soil quality Determination of organic carbon content and carbon Isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry 土壤质量 土壤与生物样品中有机碳含量与碳同位素比值、全氮含量与氮同位素比值的测定 稳定同位素比值质谱法 |
China National Standards Isotope |
English PDF |
GB/T 42488-2023 |
Soil quality - Determination of 15N abundance of inorganic nitrogen in soil - Stable Isotope ratio mass spectrometry 土壤质量 土壤中无机态氮15N丰度的测定 稳定同位素比值质谱法 |
China National Standards Isotope |
English PDF |
GB/T 37847-2019 |
General rules for Isotope composition analysis by mass spectrometry 同位素组成质谱分析方法通则 |
China National Standards Isotope |
English PDF |
GB/T 37750-2019 |
Stable Isotope applied terminology and product naming rules 稳定同位素应用术语及产品命名规则 |
China National Standards Isotope |
English PDF |
GB/T 13163.4-2014 |
Radiation protection instrumentation―Radon and radon decay product measuring instruments―Part 4: Equipment for the production of reference atmospheres containing radon Isotopes and their decay products (STAR) 辐射防护仪器 氡及氡子体测量仪 第4部分:含氡同位素及其子体参考大气的产生设备(氡环境试验系统) |
China National Standards Isotope |
English PDF |
GB/T 28643-2012 |
Determination of PCDD/Fs and dioxin-like PCBs in feeds - Isotope dilution HRGC/HRMS 饲料中二噁英及二噁英类多氯联苯的测定 同位素稀释-高分辨气相色谱/高分辨质谱法 |
China National Standards Isotope |
English PDF |
GB/T 14503-2008 |
General principle of nomenclature and classification of radioIsotope products 放射性同位素产品的分类和命名原则 |
China National Standards Isotope |
English PDF |
GB/T 20622-2006 |
Stable Isotope 15N Inorganic labelled compound 稳定性同位素15N无机标记化合物 |
China National Standards Isotope |
English PDF |
GB/T 18932.1-2002 |
Method for the determination of C-4 plant sugars in honey--Stable carbon Isotope ratio method 蜂蜜中碳-4植物糖含量测定方法 稳定碳同位素比率法 |
China National Standards Isotope |
English PDF |
GB/T 17672-1999 |
Determinations for Isotopes of lead,strontium and neodymium in rock samples 岩石中铅、锶、钕同位素测定方法 |
China National Standards Isotope |
English PDF |
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