AIR-SAMPLING AND ANALYTICAL METHOD FOR 4,4'-METHYLENEBIS(2-CHLOROANILINE)

被引:17
作者
RAPPAPORT, SM [1 ]
MORALES, R [1 ]
机构
[1] UNIV CALIF,LOS ALAMOS SCI LAB,DIV HLTH,IND HYG GRP,LOS ALAMOS,NM 87545
关键词
D O I
10.1021/ac50037a012
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A sampling and analytical method is described for the determination of airborne exposures of individuals to the carcinogen, 4,4′-methylenebis(2-chloroaniline), known as MOCA. The personal sampler employs a filter to collect particulate MOCA followed by a bed of silica gel to remove the vapors. MOCA is extracted from the sampler stages with methanol and a 10-μL aliquot is injected into an HPLC operating with a reverse-phase system. The UV detector (254 nm) allows quantitation of 3 ng of MOCA corresponding to 0.15 μg/sample. Precision levels were determined to be 9.2% at 1.5 μg/sample and 14% at 0.15 μg/sample. © 1979, American Chemical Society. All rights reserved.
引用
收藏
页码:19 / 23
页数:5
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