1、

The effects of the detection wavelength, pH value, length of alkyl chain on different ionic liquids, and the concentrations on the separation and determination of these analytes were performed.

实验以反相色谱柱为分离柱,采用紫外检测方法,考察了检测波长、离子液体烷基链长度、离子液体溶液的浓度以及pH值等对分离和测定的影响。

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2、

With appropriate wavelength selection, the contents of components in compound metronidazole tablets may be determined by signal multiplier spectrophotometry and the new solution of simultaneous equations in spectrophotometry without any preliminary separation.

文章经选择适当的测定波长,同时采用系数倍率法和联立方程组新解法不经提取分离直接测定复方甲硝唑片中甲硝唑和维生素B6的含量。

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