Recommended Products
Quality Level
material
spherical silica gel
parameter
≤40 bar max. pressure
pore size
10 nm mean pore size
application(s)
plasma purification
separation technique
reversed phase
storage temp.
2-30°C
Analysis Note
Carbon content: 17 - 21 %
Purity (Al): ≤ 50 ppm
Purity (Fe): ≤ 25 ppm
Purity (Na): ≤ 25 ppm
Extractable matter: ≤ 0.10 %
Specific surface area (BET): 320 - 400 m²/g
Pore volume: 0.8 - 0.9 ml/g
Pressure: ≤ 40 bar
Theoretical Plates (N/m) (Toluene): ≥ 20000
Separation factor (Phenol/Pyridine): 1.8 - 3.0
Capacity factor (3-Nitroacetanilid): 2.9 - 3.9
Particle Size (d10): 5.0 - 8.0 µm
Particle Size (d50): 9.0 - 14.0 µm
Particle Size (d90): 13.0 - 21.0 µm
Purity (Al): ≤ 50 ppm
Purity (Fe): ≤ 25 ppm
Purity (Na): ≤ 25 ppm
Extractable matter: ≤ 0.10 %
Specific surface area (BET): 320 - 400 m²/g
Pore volume: 0.8 - 0.9 ml/g
Pressure: ≤ 40 bar
Theoretical Plates (N/m) (Toluene): ≥ 20000
Separation factor (Phenol/Pyridine): 1.8 - 3.0
Capacity factor (3-Nitroacetanilid): 2.9 - 3.9
Particle Size (d10): 5.0 - 8.0 µm
Particle Size (d50): 9.0 - 14.0 µm
Particle Size (d90): 13.0 - 21.0 µm
Legal Information
PHARMPREP is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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