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SPECTROSCOPY AND SPECTRAL ANALYSIS  2004, Vol. 24 Issue (08): 1009-1012
光谱学与光谱分析 |
Determination of Metal Ions in Tobacco and Application of Clustering Analysis
SUN Yu-an1, WANG Guo-qing1, CHENG Ding-xi2, YAN Ke-yu3, LI Xing-bo3,XIE Bing1
1. Department of Applied Chemistry, Zhengzhou University of Light Industry, Zhengzhou 450002, China
2. School of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453002, China
3. Department of Food and Biology Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China