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Citation: GAO Jun, XU Jian-Qiang, GAO Gui-Zhi, XU Yong-Ye, CHEN Su-Min. Near Infrared Spectroscopic Analysis of Tetrahydrofuran Polyreaction[J]. Chinese Journal of Applied Chemistry, ;2008, 25(12): 1435-1438. shu

Near Infrared Spectroscopic Analysis of Tetrahydrofuran Polyreaction

1.
a Nanjing University of Information Science & Technology, College of Environmental Science and Engineering, Nanjing 210044;
2.
b Yangtze Research Institute of Petroleum Processing, Nanjing

Corresponding author: GAO Jun,
Received Date: 4 December 2007
Available Online: 15 May 2008
Fund Project: 江苏省教育厅基金(JH03-036) (JH03-036)南京信息工程大学基金(Y616)资助项目 (Y616)

The solid content and the molecular mass of the polymer in mixed poly-tetrahydrofuran liquids were determined online by near-infrared spectroscopy(NIR) to explore the real-time monitoring of the polymerization process of tetrahydrofuran.The coefficients(R) of calibration models of the solid content and the molecular mass of the polymer derived by the partial least square method are 0.998 6 and 0.993 6 respectively,root mean square errors of crosss-verification(RMSECV) are 0.455 and 59.7.Based on external verification samples,the model was analyzed by means of t-verification.The results are 0.44 and 1.01,which are under the given significance level at 0.05(t_0.05(20)=2.09) condition.Result of the near-infrared spectrum method was compared with that of standard method,and there existed no significance difference.
- near infrared spectroscopy,
- polyreaction,
- process analysis,
- tetrahydrofuran,
- molecular mass
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