TRIBUTYLTIN ANALYSIS IN SEAWATER BY GC FPD AFTER DIRECT AQUEOUS-PHASE ETHYLATION USING SODIUM TETRAETHYLBORATE

被引：79

作者：

MICHEL, P

AVERTY, B

机构：

[1] Ifremer, Centre de Nantes, Nantes, 44037

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 1991年 / 5卷 / 05期

关键词：

TRIBUTYLTIN; ETHYLATION; SEAWATER; ANALYSIS; GAS CHROMATOGRAPHY; FLAME PHOTOMETRIC DETECTION; ORGANOTIN SPECIATION;

D O I：

10.1002/aoc.590050505

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Using sodium tetraethylborate as an alkylation reagent, one-step ethylation and extraction of organotin compounds in seawater was performed directly in the aqueous phase to obtain optimal reaction conditions. No further purification or concentration of the extract was required before GC FPD analysis. The detection limit for monobutyl-dibutyl- and tributyl-tin was approximately 0.4 ng dm-3, which is adequate for any currently known toxicity effect. The linearity range (0-200 ng dm-3) was solely dependent on the detector response curve. Compared with the Grignard reaction after extraction in an organic solvent, this new ethylation procedure reduces the number of analytical steps, thus saving time and improving reliability.

引用

收藏

页码：393 / 397

页数：5

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