... series of silica gel in different usages, such as for Column-layer Chromatography, thin-layer Chromatography,air drying, catalyst carrier, liquid drying,etc ... ) B Type Silica Gel: Transparent Spherical Sharp, mainly used as liquid adsorbents, Struture lying between macro-pored and fine-pored silica gel.4) Blue Silica Gel: Lumps ...