求大家帮忙看看这个流动相该怎么配置啊?The mobile phase A was 10 mM ammonium acetate solution in 90% LC-MS-grade acetonitrile/0.1 formic acid (v/v), with the pH 3.25; mobile phase B was 100% water LC-MS-grade 10 mM ammonium acetate/0.1%formic (v/v) acid.为什么 流动相 A还说是90%的 乙腈 呢,另外的10%是什么呢?查看更多3个回答 . 12人已关注