Determination of total arsenic in coal and wood using oxygen flask combustion method followed by hydride generation atomic absorption spectrometry

被引：12

作者：

Geng, Wenhua ^{[2
]}

Furuzono, Takuya ^{[1
]}

Nakajima, Tsunenori ^{[1
]}

Takanashi, Hirokazu ^{[1
]}

Ohki, Akira ^{[1
]}

机构：

[1] Kagoshima Univ, Grad Sch Sci & Engn, Dept Chem Biotechnol & Chem Engn, Kagoshima 8900065, Japan

[2] Nanjing Univ Technol, Coll Biotechnol & Pharmaceut Engn, Nanjing 210009, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2010年 / 176卷 / 1-3期

关键词：

Oxygen flask combustion; Arsenic determination; Coal and wood; FLUORESCENCE SPECTROMETRY; DIGESTION; SAMPLES; CCA; CADMIUM; VESSELS; MERCURY; COPPER; AAS;

D O I：

10.1016/j.jhazmat.2009.11.035

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A simple and sensitive procedure for the determination of total arsenic in coal and wood was conducted by use of oxygen flask combustion (OFC) followed by hydride generation atomic absorption spectrometry (HGAAS). The effect of various items (composition of absorbent, standing time between the combustion and filtration, particle size and mass of sample) was investigated. Under the optimized conditions of the OFC method, nine certified reference materials were analyzed, and the values of arsenic concentration obtained by this method were in good accordance with the certified values. The limit of detection (LOD) and relative standard deviation (RSD) of the method were 0.29 mu g g(-1) and less than 8%, respectively. In addition, eight kinds of coals and four chromated copper arsenate (CCA)-treated wood wastes were analyzed by the present method, and the data were compared to those from the microwave-acid digestion (MW-AD) method. The determination of arsenic in solid samples was discussed in terms of applicable scope and concentration range of arsenic. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：356 / 360

页数：5

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