FLOW-INJECTION FOURIER-TRANSFORM INFRARED SPECTROMETRIC ANALYSIS

被引：28

作者：

DELAGUARDIA, M ^{[1
]}

GARRIGUES, S ^{[1
]}

GALLIGNANI, M ^{[1
]}

BURGUERA, JL ^{[1
]}

BURGUERA, M ^{[1
]}

机构：

[1] UNIV LOS ANDES,DEPT ANALYT CHEM,MERIDA 5101 A,VENEZUELA

来源：

ANALYTICA CHIMICA ACTA | 1992年 / 261卷 / 1-2期

关键词：

FLOW SYSTEM; INFRARED SPECTROMETRY; XYLENE;

D O I：

10.1016/0003-2670(92)80175-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method has been developed for obtaining and storing the complete Fourier transform spectrum, of a sample in a flowing stream in only 19 s. A resolution of 4 cm-1 is recommended. The determination of o-xylene in xylol was employed as a test system, using hexane as a carrier and diluent in all the experiments. A classical liquid flow cell and a demountable flow-through cell were compared. The best limit of detection obtained was 0.01% (v/v). The effects of flow-rate and injection volume were studied for the two cells used. The relative standard deviation (0.4% o-xylene, n = 5) was ca. 1%.

引用

页码：53 / 57

页数：5

共 12 条

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