RAPID-DETERMINATION OF LEAD BY ANALYSIS OF SOLID SAMPLES USING GRAPHITE-FURNACE ATOMIC-ABSORPTION SPECTROMETRY

被引：20
作者：
BELARRA, MA
LAVILLA, I
ANZANO, JM
CASTILLO, JR
机构：
[1] Department of Analytical Chemistry, University of Zaragoza
来源：
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1992年 / 7卷 / 07期
关键词：
POLY(VINYL CHLORIDE) ANALYSIS; DIRECT ANALYSIS OF SOLID SAMPLES; LEAD DETERMINATION; ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY;
D O I：
10.1039/ja9920701075
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Lead was determined in the range of 0.1-1% m/m in poly(vinyl chloride) (PVC) samples by a simple and rapid method of direct analysis of the solid using electrothermal atomic absorption spectrometry. The selected analytical conditions permitted the determination of lead in samples of PVC by interpolation of the corresponding calibration graphs obtained in aqueous solution. No special sample introduction system, platform, background-noise correction or modification of the matrix was necessary. The determination of lead in several PVC samples is described for concentrations of between 0.2 and 1% with relative standard deviations of between 5 and 10%.
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页码：1075 / 1078
页数：4
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