Comparison of chromatographic methods for hydrogen isotope separation by Pd beds

被引：39

作者：

Fukada, S ^{[1
]}

Fujiwara, H ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Appl Quantum Phys & Nucl Engn, Higashi Ku, Fukuoka 8128581, Japan

来源：

JOURNAL OF CHROMATOGRAPHY A | 2000年 / 898卷 / 01期

关键词：

isotope analysis; height equivalent to a theoretical plate; displacement chromatography; frontal chromatography; hydrogen; deuterium;

D O I：

10.1016/S0021-9673(00)00821-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Comparison among three chromatographic separation methods, i.e. hydrogen-displacement chromatography, self-displacement chromatography and frontal chromatography, is made in an experimental way using several gas mixtures of hydrogen and deuterium. There is small difference in the height equivalent to a theoretical plate (HETP) based on the plate theory among the three chromatographic techniques. The HETP value for the self-displacement chromatography is 3.9 cm, and that for the frontal or H-2-displacement chromatography is 3.0 cm at the same flow-rate. The self-displacement chromatography is more useful for the separation of a small amount of deuterium or tritium from other hydrogen isotopes under a moderate recovery ratio. Since the frontal chromatography uses no other gas than the sample, it is more convenient for the separation of deuterium from natural hydrogen even though a lower recovery ratio. (C) 2000 Elsevier Science BN. All rights reserved.

引用

页码：125 / 131

页数：7

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