CHROMATOGRAPHIC ANALYSIS OF CRUDE BENZOL PURE RECTIFICATION PRODUCTS AND THE TXS FRACTION.

被引：0
|
作者：
Zharkova, N.A. [1 ]
Igreneva, L.I. [1 ]
Muzychuk, V.D. [1 ]
机构：
[1] Karaganda Integrated Iron &, Steel Works, Karaganda Integrated Iron & Steel Works
来源：
Coke & Chemistry (USSR) (English translation of Koks i Khimiya) | 1985年 / 11期
关键词：
TOLUENE - Chromatographic Analysis;
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摘要：
It is shown possible to analyze the pure products and TXS fraction of the rectification division on a type LKhM-8MD chromatograph with a thermal conductivity detector. A comparative analysis is presented for the two calculation methods (internal standard and internal normalization) and it is shown possible to use the internal normalization method to analyze the chromatograms. A determination was performed for the benzene and toluene impurities significantly affecting the distillation limits. The limit concentrations of the impurities in the benzene, toluene, and TXS fraction were determined. A method is proposed for calculating the concentrations of the impurities by the ratio of impurity and principal compound peak heights.
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页码：48 / 51
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