Determination of chlorine and bromine in automotive shredder residues by oxygen bomb and ion chromatography

被引：16
|
作者：
Cortés-Peña, MA [1 ]
Pérez-Arribas, LV [1 ]
León-González, ME [1 ]
Polo-Díez, LM [1 ]
机构：
[1] Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Analit, E-28040 Madrid, Spain
来源：
WASTE MANAGEMENT & RESEARCH | 2002年 / 20卷 / 03期
关键词：
automotive shredder residues; chlorine determination; oxygen bomb; ion chromatography; bromine determination; sulfate determination; Spain; wmr; 517-3;
D O I：
10.1177/0734242X0202000311
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An analytical procedure, oxygen bomb combustion-ion chromatography (IC), has been developed for the determination of total chlorine in Automotive Shredder Residues (ASR). Samples of these residues are fired under elevated oxygen pressure (30 atm) and the combustion products are transferred into a Na2CO3/NaHCO3 absorbent solution containing 1% Of H2O2 ; the chlorine contents are then evaluated by ion chromatography. The use of the non-suppressed IC determination with a conductivity detector provides a rapid, sensitive and selective method for chlorine determination in ASR, allowing determinations of this heteroatom at levels below 1% in the presence of bromine and sulfur. Moreover, the proposed method allows the simultaneous determination of chlorine, bromine and sulfur which are potential environmental hazzards.
引用
收藏
页码：302 / 307
页数：6
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