Silica gel for column chromatography 
SiO2 200-300mesh (75-38µm particle size), pH 6-7, pore size 60Å
 
Lot Experimental Data 
Density (loose): 0.38g/cm³
Density (well-packed): 0.45g/cm³
Column volume: 42mL/20g 
Normalized flow rate (gravity): 3mL/min 
Normalized flow rate (2psi): 17mL/min