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气相色谱法测定污水中对硫磷的农残量 被引量:2

GAS CHROMATOGRAPHIC METHOD FOR THE DETERMINATION OF PARATHION RESIDUES IN VEGETABLES AND POLLUTED WATER
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摘要 A produce for enriching parathion from vegatables and polluted water with adsorbent GDX-501 is described.The eluente was separated and analyzed by gas chromatography with flame photometric detector.Detection limit of Parathion in water is 0.4μg/L.Average recoveries of Parathion added in water are in the range of 88.6%~99.3%.The relative standard deviations are in the range of 3.2%~5.0%.The method is simple,accurate and precise. A produce for enriching parathion from vegatables and polluted water with adsorbent GDX-501 is described.The eluente was separated and analyzed by gas chromatography with flame photometric detector.Detection limit of Parathion in water is 0.4μg/L.Average recoveries of Parathion added in water are in the range of 88.6%~99.3%.The relative standard deviations are in the range of 3.2%~5.0%.The method is simple,accurate and precise.
作者 徐敏 郝义
出处 《化学研究与应用》 CAS CSCD 北大核心 2001年第3期338-339,共2页 Chemical Research and Application
关键词 对硫磷 富集 气相色谱 污水 农药 测定 残留量 parathion water sample enrichment gas chromatography
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  • 1徐双华,南京大学学报,1988年,24卷,4期,717页
  • 2徐兆瑜,分析化学,1985年,13卷,357页
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  • 4张长根,分析化学,1980年,8卷,26页
  • 5张长根,分析化学,1978年,6卷,1页

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