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首页> 外文期刊>Journal of Agricultural and Food Chemistry >DEVELOPMENT OF DETERMINATION METHOD FOR CARBOFURAN AND OXYDEMETON-METHYL IN AMBIENT AIR
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DEVELOPMENT OF DETERMINATION METHOD FOR CARBOFURAN AND OXYDEMETON-METHYL IN AMBIENT AIR

机译：环境空气中呋喃呋喃和乙二醛甲基含量测定方法的建立

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A gas chromatographic method was developed for the determination of carbofuran and oxydemeton-methyl (ODM) as well as ODM's potential transformation product, deoxydemeton-methyl (DODM), in ambient air. The chemicals were trapped using XAD-4 resin and recovered with an organic solvent. The extraction efficiencies of carbofuran, ODM, and DODM from a XAD-4 resin with ethyl acetate were near 100%. A trapping efficiency study for ODM and DODM demonstrated that both compounds were relatively nonvolatile at 35 +/- 5 degrees C. Using the method developed, air sampling was conducted at agricultural sites in California where carbofuran, ODM, and DODM have been applied. The highest amount of carbofuran found in the ambient air samples was 2.1 mg (ca. 97 pg/L of air). However, none of the samples collected from ambient air had a sufficient amount of ODM or DODM for the limit of quantitation (0.05 mg). [References: 8]
机译：开发了一种气相色谱法，用于测定环境空气中的呋喃丹和羟甲基脱氧甲基（ODM）以及ODM的潜在转化产物甲基脱氧甲基（DODM）。使用XAD-4树脂捕获化学物质，并用有机溶剂回收。用乙酸乙酯从XAD-4树脂中提取呋喃丹，ODM和DODM的效率接近100％。一项针对ODM和DODM的捕集效率研究表明，这两种化合物在35 +/- 5摄氏度下相对不挥发。使用开发的方法，在加利福尼亚州已应用了呋喃呋喃，ODM和DODM的农业场所进行了空气采样。在环境空气样品中发现的呋喃丹含量最高，为2.1 mg（约97 pg / L的空气）。但是，从环境空气中收集的样品都没有足够的ODM或DODM达到定量限（0.05 mg）。 [参考：8]

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