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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14265-2017 |
General rule of chemical analysis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials 金属材料中氢、氧、氮、碳和硫分析方法通则 |
China National Standards hydrogen,oxygen,nitrogen,carbon |
 English PDF |
| GB/T 19143-2017 |
Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics 岩石有机质中碳、氢、氧、氮元素分析方法 |
China National Standards hydrogen,oxygen,nitrogen,carbon |
English PDF |
| GB/T 27894.6-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns 天然气 在一定不确定度下用气相色谱法测定组成 第6部分：用三根毛细管色谱柱测定氢、氦、氧、氮、二氧化碳和C1至C8的烃类 |
China National Standards hydrogen,oxygen,nitrogen,carbon |
English PDF |
| GB/T 14265-1993 |
General rule of chemical analysis for hydrogen，oxygen，nitrogen，carbon and sulfur in metal’s materials 金属材料中氢、氧、氮、碳和硫分析方法通则 |
China National Standards hydrogen,oxygen,nitrogen,carbon |
English PDF |
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