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Standard Code | Standard Title | Standard Class | Order |
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GB/T 12688.1-2011 |
Test method of styrene for industrial use - Part 1: Determination of purity and hydrocarbon impurities - Gas chromotography 工业用苯乙烯试验方法 第1部分:纯度和烃类杂质的测定 气相色谱法 |
China National Standards chromotography |
English PDF |
GB/T 13580.5-1992 |
Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation--Ion chromotography 大气降水中氟、氯、亚硝酸盐、硝酸盐、硫酸盐的测定 离子色谱法 |
China National Standards chromotography |
English PDF |
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