Determination of butyltin compounds in marine biological samples by enzymatic hydrolysis and HG-GC-QFAAS detection

被引:19
作者
Pannier, F [1 ]
Astruc, A [1 ]
Astruc, M [1 ]
机构
[1] UNIV PAU & PAYS ADOUR,CHIM ANALYT LAB,F-64000 PAU,FRANCE
关键词
atomic absorption spectrometry; hydride generation; butyltin compounds; biological samples; enzymatic methods; speciation;
D O I
10.1016/0003-2670(96)00102-X
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Release of organotin compounds from marine biological samples is obtained by solubilization of tissues with a mixture of enzymes in aqueous phosphate buffer. Direct determination of butyltin compounds in the incubated sample is made by the HG-GC-QFAAS method. The optimized procedure allows quantitative recoveries of:he different butyltin species from wet or freeze-dried spiked materials (oyster, mussel, salmon) without any degradation of analytes. The detection limits obtained are at the ng g(-1) level. This two step procedure has been applied to a certified reference material (NIES fish tissue) and to real world shellfish samples (mussel, scallop).
引用
收藏
页码:287 / 293
页数:7
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