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liguoao

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降低流速,增加样品中的水相,提高柱温
21楼2015-12-11 13:14:50
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21楼: Originally posted by liguoao at 2015-12-11 13:14:50
降低流速,增加样品中的水相,提高柱温

柱温提高了(从20-50),分离度是降低并没有提高.流速以前试过1.0*100mm的0.07流速,但老师觉得流速太低,也试过2.1*100mm流速试过0.1-0.4均不行,等度时乙腈比例低一点,α-亚麻酸和γ-亚麻酸衍生产物分得开,但二十二碳五烯酸-和亚油酸衍生产物分不开,高一点,结果相反;用梯度时,首先保证α-亚麻酸和γ-亚麻酸衍生产物分得开,但后面提高乙腈比例时,二十二碳五烯酸-和亚油酸衍生产物重叠。
22楼2015-12-12 11:10:17
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