图2 采用医药级蒙脱石为载体制备的简单混合物a和插层化合物b的XRD图谱 Fig. 2 XRD patterns of simple mixtures and intercalation compounds prepared by pharmaceutical MMT a, mixture ratios of MMT to cefradine are 1:10, 1:2, 1:1, respectively b, mass ratios of MMT to cefradine are 1:1, 1:1.5, 1:2, 1:3 and 1:4, respectively |