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用改进的偏最小二乘法光度法分析多组份体系 被引量:2
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作者 倪永年 《分析化学》 SCIE EI CAS CSCD 北大核心 1990年第12期1138-1141,共4页
本文用改进的偏最小二乘法(PLS)对5-Br-PADAP-铁、钴、镍体系进行了研究,结果表明,该法不仅简化了计算,还可给出定性方面的信息。
关键词 5-BR-PADAP pls光度法
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PLS分光光度法同时测定氨基酸混合物的研究
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作者 刘黎 陈俐娟 方国桢 《四川大学学报(自然科学版)》 CAS CSCD 北大核心 2000年第1期133-137,共5页
It has been studied that the optimal chrcmogentic conditions for ninhydrin reacts with leucine, lysine, valine, phenylalanine and methionine. The studies have been performed on the simultaneous determination of five a... It has been studied that the optimal chrcmogentic conditions for ninhydrin reacts with leucine, lysine, valine, phenylalanine and methionine. The studies have been performed on the simultaneous determination of five amino-acids by partial lean squares (PM) without any chemical separation. The studies points out that the selections of wavelength width,wavelength interval influence on the results of determination. Compared with KF spectrophotometety,amino-acids automatic analysis method, the analytical rerelts of synethic mixtures show its superiority to KF spectrophotometry and agreement with amiono-acids automatic analysis. 展开更多
关键词 氨基酸 测定 pls分光光度法 混合体系
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