| 石脑油中微量含氧化合物测定气相色谱条件的研究与探讨 |
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| 引用本文： | 吴翠玲.石脑油中微量含氧化合物测定气相色谱条件的研究与探讨[J].广东化工,2012,39(2):175-176,197. |
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| 作者姓名： | 吴翠玲 |
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| 作者单位： | 中国石油化工股份有限公司茂名分公司,广东茂名,525000 |
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| 摘 要： | 应用Agilent7890 plus气相色谱仪(配有FID),把一根30 m×0.53 mm×0.88μm,HP-1毛细管色谱柱和一根10 m×0.53 mm×10μm,LowOx毛细管色谱柱串接,使得含氧化合物能和石脑油中其它组分完全分离,通过对进样方式、阀切换时间、程序升温等色谱操作条件进行实验和探讨,解决了石脑油中微量含氧化合物的测定难题。在30 min的时间内完成石脑油中微量含氧化合物含量的测定。文章主要讨论石脑油中甲基叔丁基醚含氧化合物,方法具有较高的重复性和准确性。
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| 关 键 词： | 气相色谱法 串联毛细管色谱柱 石脑油 甲基叔丁基醚等14种含氧化合物 |
Determination of Trace Oxygenates in Naphtha by Gas Chromatographic Conditions for Research and Discussion |
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| Wu Cuiling.Determination of Trace Oxygenates in Naphtha by Gas Chromatographic Conditions for Research and Discussion[J].Guangdong Chemical Industry,2012,39(2):175-176,197. |
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| Authors: | Wu Cuiling |
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| Affiliation: | Wu Cuiling(China Petroleum and Chemical Corporation Maoming Branch,Maoming 525000,China) |
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| Abstract: | Agilent7890 plus gas chromatography is applied,and one 30 m×0.53 mm×0.88 μm,HP-1 capillary is linked with one 10 m×0.53 mm×10 μm LowOx capillary in series.This can make Oxygenates and naphtha separated completely.The inlet fashion,the valveless switching time and Oven Program operation conditions were studied.So problem is solved to test the trace Oxygenates in naphtha.The method can analyse the trace oxygenates contents in 30 minutes.The report mainly discuss the trace MTBE in naphtha.method has higher accuracy and repeatability. |
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| Keywords: | gas chromatography capillaries in series naphtha MTBE 14 Oxygenates |
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