| 分光光度法测定烟草中的硝酸盐 |
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| 引用本文： | 戴亚,方力,陆登梯. 分光光度法测定烟草中的硝酸盐[J]. 中国烟草科学, 2000, 21(2): 27-29 |
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| 作者姓名： | 戴亚 方力 陆登梯 |
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| 作者单位： | [1]重庆烟草工业公司 [2]中国科技大学经济技术学院 |
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| 摘 要： | 采用醋酸溶液提取烟丝中的ＮＯ３，锌粉作还原剂，硝酸盐试剂作显色剂，建立了一种测定烟草中硝酸盐的分光光度法。该法简便、灵敏、准确、准确，线性范围为０ ．１－０．６μｇ／ｍＬ，平均回收率为９５．５％，用该方法测定了９种卷烟烟丝中的硝酸盐含量，将测定结果与相应烟气焦油中的Ｎ－亚硝胺量作比较，发现二者呈正相关。
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| 关 键 词： | 分光光度法 测定 烟草 硝酸盐 |
| 修稿时间： | 1999-08-09 |
Determinationof nitrate in tobacco by spectrophotometer |
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| Dai Ya Fang Li Lu Dengti Liu Qibin Xuan Xiaoquan. Determinationof nitrate in tobacco by spectrophotometer[J]. Chinese Tobacco Science, 2000, 21(2): 27-29 |
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| Authors: | Dai Ya Fang Li Lu Dengti Liu Qibin Xuan Xiaoquan |
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| Affiliation: | Dai Ya 1 Fang Li 2 Lu Dengti 2 Liu Qibin 2 Xuan Xiaoquan 3 (1 Chongqing Tobacco Industrial Corporation Chongqing 400060) (2 Institute of Economics and Technology of University of Science and Technology of China) (3 Xuzhou Cigarette Factory |
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| Abstract: | A rapid,simple,sensitive and accurate method to deteminate nitrate in tobacco was described in this paper.The experimental results also showed that nitrate content was positively correlated with N nitrosamines in cigarette smoke. |
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| Keywords: | Spectrophotometry Determination Tobacco Nitrate |
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