【简答题】A beneficiary, in accordance with the provisions of the applicable law, has the right to assign any proceeds to which he may be entitled under his credit which is not stated to be transferable. It is ...
【简答题】在一根 3米长的色谱柱上,分离AB两组分混合式样的色谱数据如下:组分A:t RA =14min,W A =1min 组分B:t RB =17min W B =1min 测得空气峰的保留时间为60s 1.求出A、B的调整保留时间t R ́ 和 t R ́。 2.用组分B计算该色谱柱有效理论塔板数n eff 及有效板高H eff 。 3.求分离度。