DETERMINATION OF ALKOXYL SUBSTITUTION IN CELLULOSE ETHERS BY ZEISEL GAS CHROMATOGRAPHY

被引：51

作者：

HODGES, KL

KESTER, WE

WIEDERRICH, DL

GROVER, JA

机构：

[1] Dow Chemical Company, Midland

来源：

ANALYTICAL CHEMISTRY | 1979年 / 51卷 / 13期

关键词：

D O I：

10.1021/ac50049a028

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An improved Zeisel gas chromatographic technique has been developed for the determination of molar substitution in cellulose ether derivatives. The method utilizes adipic acid to catalyze the hydriodic acid cleavage of the substituted alkoxyl groups quantitatively to their corresponding alkyllodides. An in-situ xylene extraction of the alkyllodides in a sealed vial allows for the determination of methoxyl, ethoxyl, hydroxy-ethoxy, or hydroxypropoxy substitution in mixed or homogeneous cellulosic ethers. © 1979, American Chemical Society. All rights reserved.

引用

页码：2172 / 2176

页数：5

共 26 条

[1] KINETICS OF PYROLYSIS OF ORGANIC IODIDES
BENSON, SW
[J]. JOURNAL OF CHEMICAL PHYSICS, 1963, 38 (08) : 1945 - &
[2] BENSON SW, 1963, J CHEM PHYS, V38, P882
[3] BENSON SW, 1964, J CHEM PHYS, V40, P2946
[4] BENSON SW, 1962, J CHEM PHYS, V37, P1081
[5] BENSON SW, 1963, J CHEM PHYS, V39, P132
[6] DETERMINATION OF MOLAR SUBSTITUTION OF CELLULOSE ETHERS USING PROTON MAGNETIC-RESONANCE
CLEMETT, CJ
[J]. ANALYTICAL CHEMISTRY, 1973, 45 (01) : 186 - 188
[7] COBLER JG, 1962, TALANTA, P473
[8] EHRENBER.F, 1965, Z ANAL CHEM FRESENIU, V210, P424
[9] THE DETERMINATION OF POLY(ETHYL ESTERS) IN METHYL METHACRYLATE COPOLYMERS
HASLAM, J
HAMILTON, JB
JEFFS, AR
[J]. ANALYST, 1958, 83 (983) : 66 - 71
[10] HENKEL, 1974, Z ANAL CHEM, V271, P31

← 1 2 3 →