| Analysis of Carbon Number Distribution of Rubber Protective Wax by Cold Column Head Injection Gas Chromatography |
| Received:December 20, 2019 Revised:December 20, 2019 |
| DOI：10.12136/j.issn.1000-890X.2021.01.0063 |
| Key Words: cold column head injection；gas chromatography；rubber protective wax；normal paraffin hydrocarbon；non-normal paraffin hydrocarbon；carbon number distribution |
| Author Name | Affiliation | E-mail | | CHEN Jianjun* | Shandong huasheng rubber Co.,Ltd | 19468815@qq.com | | ZHAO Ruiqing | Shandong huasheng rubber Co.,Ltd | | | XU Kai | Shandong huasheng rubber Co.,Ltd | |
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| Abstract: |
| 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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