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内蒙古大学 化学化工学院
收稿:2011-04-01,
修回:2011-6-16,
网络首发:2011-10-22,
纸质出版:2011-10-22
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薛永林, 高玲, 任守信. 基于化学计量法对荧光光谱重叠的维生素B<sub>1</sub>、B<sub>2</sub>和B<sub>6</sub>的测定[J]. 发光学报, 2011,32(10): 1081-1087
XUE Yong-Lin, GAO Ling, REN Shou-xin. Determination Based on Chemometrics Spectral Geminated Vitamin B<sub>1</sub>, B<sub>2</sub> and B<sub>6</sub>[J]. Chinese Journal of Luminescence, 2011,32(10): 1081-1087
薛永林, 高玲, 任守信. 基于化学计量法对荧光光谱重叠的维生素B<sub>1</sub>、B<sub>2</sub>和B<sub>6</sub>的测定[J]. 发光学报, 2011,32(10): 1081-1087 DOI:
XUE Yong-Lin, GAO Ling, REN Shou-xin. Determination Based on Chemometrics Spectral Geminated Vitamin B<sub>1</sub>, B<sub>2</sub> and B<sub>6</sub>[J]. Chinese Journal of Luminescence, 2011,32(10): 1081-1087 DOI:
利用直接正交信号校正(DOSC)-小波包变换(WPT)-偏最小二乘法(PLS)(DOSC-WPT-PLS)新方法对荧光光谱严重重叠的维生素B
1
、B
2
和B
6
三组分混合体系进行了同时测定。设计了PDOSCWPTPLS程序执行相关计算
并将三种化学计量学方法(DOSC-WPT-PLS、WPT-PLS和PLS)进行了比较。三种维生素B的总体相对预测标准偏差分别为2.29%、4.23%和5.36%。结果表明DOSC-WPT-PLS法是成功的且优于WPT-PLS法和PLS法。将该法用于测定自来水中的维生素B
1
、B
2
和B
6
的含量其回收率分别为93.4%~109.2%、91.0%~105.2%、94.7%~107.7%
获得了满意的结果。
paper
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