| 冷柱头进样气相色谱法分析橡胶防护蜡的碳数分布 |
| Analysis of Carbon Number Distribution of Rubber Protective Wax by Cold Column Head Injection Gas Chromatography |
| 投稿时间：2019-12-20 修订日期：2019-12-20 |
| DOI：10.12136/j.issn.1000-890X.2021.01.0063 |
| 中文关键词: 冷柱头进样 气相色谱法 橡胶防护蜡 正构烷烃 非正构烷烃 碳数分布 |
| 英文关键词: cold column head injection gas chromatography rubber protective wax normal paraffin hydrocarbon non-normal paraffin hydrocarbon carbon number distribution |
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| 中文摘要: |
| 研究冷柱头进样气相色谱法分析橡胶防护蜡的碳数分布以及正构烷烃/非正构烷烃比例。结果表明，采用冷柱头进样方法，在样品量为10 mg、样品完全溶解后静置10～30 min并取上层清液以及进样量为1 μL时，分析得到的气相色谱峰的峰形和响应信号最优。本方法测定橡胶防护蜡的碳数分布以及正构烷烃/非正构烷烃比例结果准确、可靠。 |
| 英文摘要: |
| The method of determination the carbon number distribution and ratio of normal paraffin to non-normal paraffin hydrocarbons in rubber protective wax by cold column head injection gas chromatography was investigated.The results showed that using cold column head injection method，when the dosage of the sample was 10 mg，the sample was allowed to stand for 10 to 30 min after complete dissolution and took the supernatant，and the volume of the sample was 1 μL，the peak shape and the response signal of the gas chromatography peak were the best.The results of determining the carbon number distribution and the ratio of normal paraffin hydrocarbon to non-normal paraffin hydrocarbons in rubber protective wax were accurate and reliable. |
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