结果用反相高效液相色谱法和毛细管电泳法鉴定纯度在92 %以上。
ResultsThe purity of final product confirmed by HPLC and capillary zone electrophoresis to be more than 92%.
综述了高效液相色谱法、毛细管电泳等几种常用的同时测定多种B族维生素方法的原理以及样品的前处理程序和方法。
B vitamins determination principle, sample pretreatment and procedure of high pressure liquid chromatography, capillary electrophoresis and other kinds of chromatographic methods are reviewed.
目的比较了比色法、薄层色谱法、高效液相色谱法测定甲芬那酸中2,3 -二甲基苯胺杂质的方法，并建立了毛细管气相色谱法控制甲芬那酸中2,3 -二甲基苯胺的杂质限量。
Objective To compare colorimetry, TLC, HPLC, and establish a method for the limited control of 2, 3-dimethylaniline in mefenamic acid by GC with capillary column.
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