TRAPPING EFFICIENCY OF POLYURETHANE FOAM AND AMBERLITE XAD-2 FOR VARIOUS ORGANOCHLORINE COMPOUNDS

被引:16
作者
NERIN, C [1 ]
MARTINEZGALERA, M [1 ]
MARTINEZ, JL [1 ]
机构
[1] UNIV ALMERIA, DEPT QUIM ANALIT, ALMERIA, SPAIN
来源
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1995年 / 352卷 / 06期
关键词
D O I
10.1007/BF00323088
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The trapping efficiency of polyurethane foam (PUF) and Amberlite XAD-2 have been investigated for various OCPs. Atmospheres containing different concentrations of 16 OCPs have been generated and trapped in the solid adsorbent cartridges. Conditions such as the adsorption by the cartridges, the extraction of the compounds, the evaporation of the final solution, the breakthrough value and the analysis of the compounds by GC/ECD have been studied. The adsorption efficiency has been better on PUF than on Amberlite XAD-2. Recovery values ranging from 80% for p-p' TDE to 105% for heptachlor are obtained, most of them being higher than 90%. The relative standard deviation values for the compounds investigated are less than 5% for a total sample amount of 0.2 mu g of each compound.
引用
收藏
页码:609 / 611
页数:3
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