Determination of tin in marine sediment slurries by electrothermal atomic absorption spectrometry using palladium-magnesium nitrate as chemical modifier

被引：15

作者：

BermejoBarrera, P

BarcielaAlonso, C

GonzalezSixto, C

BermejoBarrera, A

机构：

[1] Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, University of Santiago de Compostela

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1997年 / 357卷 / 03期

关键词：

D O I：

10.1007/s002160050152

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method was optimized for the determination of tin in slurries of marine sediment samples using palladium-magnesium nitrate as chemical modifier and Triton X-100 (0.1%) surfactant as stabilizer. To obtain a complete pyrolysis of the slurry sample, two charring steps were used, the first at 480 degrees C and the second at 1300 degrees C. The precision and accuracy of the method were studied using the Reference Material PACS-1 (marine sediment) from National Research Council Canada. The detection limit (LOD) was 57.6 mu g kg(-1). The method was applied to the determination of tin in marine sediment samples from the Galicia coast.

引用

页码：274 / 278

页数：5

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