The reagent (12) is preferably impregnated into an adsorptive solid, including, for example, carbon powder, zeolite, aluminum oxide, or silica.
优选将反应试剂（12）浸渍到吸附性固体中，例如包括碳粉，沸石，氧化铝或硅 石。
2
The fineness, granularity and structure of magnalium hydrotalcite produced in this way are same as that produced by solid magnesium salts in reagent level.
该方法制备的镁铝水滑石的纯度、粒度和结构与用试剂级固体镁盐制备的镁铝水滑石一致。
3
Silica gel is taken as solid phase, Hexane acetone as the eluting reagent of carotene and Hexane acetone ethanol as the eluting reagent of lutein.