Direct Speciation Analysis of Sb(III) and Sb(V) Based on Their Different Sensitivities for GFAAS

被引：3

作者：

Diaz-Perez, Monica ^{[1
]}

Aboal-Somoza, Manuel ^{[1
]}

Bermejo-Barrera, Pilar ^{[2
]}

Bermejo-Barrera, Adela ^{[2
]}

机构：

[1] Univ Santiago de Compostela, Fac Sci, Dept Analyt Chem Nutr & Bromatol, E-27002 Lugo, Spain

[2] Univ Santiago de Compostela, Fac Chem, Dept Analyt Chem Nutr & Bromatol, La Coruna, Spain

来源：

SPECTROSCOPY LETTERS | 2011年 / 44卷 / 01期

关键词：

antimony; atomic absorption; complex formation; sensitivity; speciation analysis; ATOMIC-ABSORPTION-SPECTROMETRY; AMMONIUM PYRROLIDINEDITHIOCARBAMATE; ANTIMONY; WATER; PRECONCENTRATION; EXTRACTION; SORPTION; TRACE;

D O I：

10.1080/00387010903397802

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

This paper presents a temptative work dealing with the possibilities of using GFAAS on speciation analysis purposes of antimony species-namely, Sb(III) and Sb(V)-in presence of three different complexing reagents (DDC, APDC and TTA). When using TTA, both antimony species can be analyzed setting 800 and 1700 to 1800 degrees C as pyrolysis and atomization temperatures, respectively. However, the great differences detected between the values of the signals recorded for Sb(V) and for Sb(III) must be highlighted. Such differences suggest dissimilar sensitivities for both species, that are applied on speciation analysis purposes.

引用

页码：17 / 21

页数：5

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