FRACTIONATION OF NON-ORTHO-SUBSTITUTED TOXIC POLYCHLORINATED-BIPHENYLS ON 2 NITRO-CONTAINING LIQUID-CHROMATOGRAPHIC STATIONARY PHASES

被引：13

作者：

GRIMVALL, E

OSTMAN, C

机构：

[1] NATL INST OCCUPAT HLTH,DIV ANALYT CHEM,S-17184 SOLNA,SWEDEN

[2] UNIV STOCKHOLM,DEPT ANALYT CHEM,S-10691 STOCKHOLM,SWEDEN

来源：

JOURNAL OF CHROMATOGRAPHY A | 1994年 / 685卷 / 02期

关键词：

D O I：

10.1016/0021-9673(94)00786-1

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Two liquid chromatographic stationary phases, dinitroanilinopropylsilica (DNAP) and tetranitrofluoreniminopropylsilica (TENF), are demonstrated to retain selectively the toxic non-ortho-chlorobiphenyl congeners CB-77, CB-126 and CB-169. On the DNAP column, these three congeners elute as a single peak. With hexane as mobile phase all eighteen tested chlorobiphenyl congeners are eluted within 13 min. Carryover effects of CBs in HPLC systems are discussed. To demonstrate the isolation of the three congeners, a sample of Aroclor 1254 was fractionated and analysed by GC with electron-capture detection.

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页码：338 / 343

页数：6

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