| 静电捕集法测定主流烟气粒相中铅和镉 |
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| 引用本文： | 刘秀彩,郑捷琼,陈昱,黄惠贞,连芬燕,林艳,黄朝章.静电捕集法测定主流烟气粒相中铅和镉[J].安徽农业科学,2012,40(17):9478-9479,9535. |
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| 作者姓名： | 刘秀彩 郑捷琼 陈昱 黄惠贞 连芬燕 林艳 黄朝章 |
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| 作者单位： | 福建中烟工业公司技术中心,福建厦门,361022 |
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| 摘 要： | 目的]准确测定烟气中铅和镉的含量,提高卷烟的吸食安全性。方法]考察了采用静电捕集方式,乙醇为洗脱溶剂,原子吸收光谱法测定主流烟气粒相中的铅和镉含量的方法。结果]铅和镉的检出限为0.274和0.032μg/L,回收率为98.2%～101.6%和95.8%～98.7%,RSD≤5%。结论]试验方法具有准确性高、精密度好、检出限低等特点,适合卷烟主流烟气粒相中铅和镉元素的测定。
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| 关 键 词： | 静电捕集 基体改进剂 微波消解 铅 镉 |
Determination of Lead and Cadmium in Mainstream Cigarette Smoke by Electrostatic Precipitation |
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| Institution: | LIU Xiu-cai et al(Technical Center,China Tobacco Fujian Industrial Corporation,Xiamen,Fujian 361022) |
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| Abstract: | Objective] To determine the content of Pb and Ca in mainstream cigarette smoke and improve the smoking security.Method] With the electrostatic precipitation method and ethanol as the eluant.Result] The detection limits of Pb and Ca were 0.274 and 0.032 μg/L with the recovery was in the range of 98.2%-101.6% and 95.8%-98.7%,RSD was ≤ 5%.Conclusion] The experimental method has the advantages of high accuracy,good precision and low detection limit,thus it is applicable for determining the content of Pb and Cd in the mainstream cigarette smoke. |
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| Keywords: | Electrostatic precipitation Matrix modifier Microwave digestion Lead Cadmium |
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