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yangxicshe

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[交流] 【求助】请教:液相 样品测定问题?

流动相的最佳比例
各位资深人士,我是HPLC的新手,现在在做多西环素的HPLC的测定,在365nm的波长下,流动相是0.01M草酸-乙腈-甲醇,原来的比例是
50:35:15,但是溶剂峰和药峰总是重叠在一起了,应该怎么调整比例啊?甲醇,乙腈的吸收波长又是多少呢?期盼回复!
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