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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 28124-2011 |
Determination of trace hydrogen,oxygen,methane and carbon monoxide in the inert gases - Gas chromatographic method 惰性气体中微量氢、氧、甲烷、一氧化碳的测定 气相色谱法 |
China National Standards Determination trace hydrogen |
 English PDF |
| GB/T 3393-2009 |
Ethylene and propylene for industrial use - Determination of trace hydrogen - Gas chromatographic method 工业用乙烯、丙烯中微量氢的测定 气相色谱法 |
China National Standards Determination trace hydrogen |
English PDF |
| GB/T 8981-2008 |
Determination of trace hydrogen in gases - Gas chromatographic method 气体中微量氢的测定 气相色谱法 |
China National Standards Determination trace hydrogen |
English PDF |
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