SOLUBILITY OF SOLID CCL4 IN SUPERCRITICAL CF4 USING DIRECTLY COUPLED SUPERCRITICAL FLUID EXTRACTION MASS-SPECTROMETRY

被引：2

作者：

BARBER, TA ^{[1
]}

BIENKOWSKI, PR ^{[1
]}

COCHRAN, HD ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,DIV CHEM TECHNOL,OAK RIDGE,TN 37831

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1990年 / 25卷 / 13-15期

关键词：

D O I：

10.1080/01496399008050442

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A dynamic experimental apparatus developed for supercritical fluid studies was used to determine the solubility of solid CCl4 in supercritical CF4. An on-line quadrupole mass spectrometer was utilized for analysis of the effluent. The direct coupling of supercritical extraction with mass spectrometry offers a quantitative method for the direct determination of the solute mole fraction in the supercritical fluid. These data will broaden the data base to support the testing of new theoretical models for predicting supercritical behavior. As the critical point for CF4 is 227.6 K, these data are among the few supercritical solubility data available at subambient temperature.

引用

页码：2033 / 2043

页数：11

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