is silicon dioxide. It’s main characteristic is that it can achieve the purpose of separation and purification by the difference
of adsorbing retention time of different components in mixture.
Items | Specifications | ||||||||||
Type-A | Type-B | Type-C | |||||||||
Industrial grade | Reagent grade | Industrial grade | Reagent grade | Industrial grade | Reagent grade | ||||||
Pore size Å | 20-30 | 20-30 | 50-80 | 50-80 | 90-100 | 90-100 | |||||
Pore volume ml/g | 0.35-0.45 | 0.35-0.45 | 0.5-0.7 | 0.5-0.7 | 0.85-1.0 | 0.85-1.0 | |||||
Specific surface area ㎡/g | ≥600 | ≥600 | 450-600 | 450-600 | 320-400 | 320-400 | |||||
Bulk density g/L | ≥670 | ≥670 | 500-600 | 500-600 | 400-500 | 400-500 | |||||
Loss on heating %≤ | 5 | 3 | 5 | 3 | 5 | 3 | |||||
Chlorides(Cl) %≤ | -- | 0.02 | -- | 0.02 | -- | 0.02 | |||||
Iron(Fe) %≤ | -- | 0.02 | -- | 0.02 | -- | 0.02 | |||||
Size | 60-100mesh/80-120mesh/100-200mesh/200-300mesh/230-400mesh/300-400mesh | ||||||||||
Packing | 500g/bottle, 1kg/bag, 10kg/carton, 20/25kg/carton, 20kg/compound bag |