| 马德龙,吴彩英,崔亭亭,张新,姜雪静.高效液相色谱外标法测定硅烷偶联剂中硫脲含量[J].橡胶科技,2023,21(8):0407-0410. |
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| 高效液相色谱外标法测定硅烷偶联剂中硫脲含量 |
| Determination of Thiourea Content in Silane Coupling Agent by High-performance Liquid Chromatography External Standard Method |
| 投稿时间：2022-12-08 修订日期：2022-12-13 |
| DOI：10.12137/j.issn.2095-5448.2023.08.0407 |
| 中文关键词: 高效液相色谱 外标法 硫脲 硅烷偶联剂 |
| 英文关键词: high-performance liquid chromatography external standard method thiourea silane coupling agent |
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| 中文摘要: |
| 介绍一种利用高效液相色谱外标法测定硅烷偶联剂中硫脲含量的方法。以乙腈、水为流动相，硫脲为标准样品，采用外标法绘制硫脲标准物质峰面积-质量浓度标准曲线，得出标准曲线的线性回归方程，从而定性、定量分析硅烷偶联剂中硫脲含量。测定结果有助于硅烷偶联剂合成工艺的进一步优化，得到稳定、高品质的产品。 |
| 英文摘要: |
| A method for determining the thiourea content in silane coupling agent by high-performance liquid chromatography external standard method was introduced.Using acetonitrile and water as mobile phases and thiourea as standard samples，the peak area and mass concentration standard curve of thiourea standard substance was drawn using the external standard method and the linear regression equation of the standard curve was obtained，which was used to qualitatively and quantitatively analyze thiourea content in silane coupling agents.The test results could help further optimize the synthesis process of silane coupling agent and obtain stable and high-quality products. |
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