岭回归法同时测定五组分的研究

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岭回归分光光度法(LHG)是近年来发展起来的计算分光光度法之一,本文将该法应用于五组分体系——对乙酰氨基酚、对氨基酚、对硝基酚、对乙酰氨基酚乙酸酯、对硝基酚乙酸酯的分析研究,文中详细介绍了介质的选取,混合标准溶液组数的确定。实验结果表明,在0.1mol·L-1盐酸介质中,该法对样品中各组分的平均回收率在95.5%~106.1%之间,相对标准偏差在0.8%~9.8%之间。本法具有操作简便又能与计算机联机等特点,已用于合成扑热息痛过程中样品的测定,结果满意。
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