ASSESSMENT OF FROZEN STORAGE OF TRIBUTYLTIN IN SEA-WATER SAMPLES USING HYDRIDE DERIVATIZATION

被引：6

作者：

VALKIRS, AO ^{[1
]}

STALLARD, MO ^{[1
]}

STANG, PM ^{[1
]}

FRANK, S ^{[1
]}

SELIGMAN, PF ^{[1
]}

机构：

[1] USN,CTR OCEAN SYST,MARINE ENVIRONM BRANCH,SAN DIEGO,CA 92152

来源：

ANALYST | 1990年 / 115卷 / 10期

关键词：

Atomic absorption spectrometry; Frozen storage; Hydride derivatisation; Tributyltin in sea-water;

D O I：

10.1039/an9901501327

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Frozen storage of unfiltered natural sea-water samples fortified with tributyltin (TBT) leachate from antifouling paint was evaluated by the analysis of replicate samples selected randomly over a 678-d period using a hydride derivatisation purge and trap method. A previous study indicated that the precision of the analytical method is typically 15% and hence a greater than 15% loss of TBT is considered significant. Depending on whether a linear or exponential regression analysis of the data is carried out, a 15% loss apparently occurred after 170 or 90 d. After approximately 2 years of storage, the TBT concentration of samples had fallen by about 50%.

引用

页码：1327 / 1328

页数：2

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