CHROSPE | C8 EC

Sorbent code: Y11
Part number: AS-SP-0622.004, 10 x 2 mm ID

Silica-based sorbents with an octyl phase. End-capping of the silanol groups on the silica surface by methyl groups makes the C8 EC sorbent more hydrophobic compared to the C8 sorbent. Because of the shorter alkyl chains, C8 or C8 EC based sorbents are less hydrophobic and therefore less retentive than sorbents containing C18 or C18 HD phases.

Shape Synthetic Amorphous Si 
Bonded phase Octyl 
Average content (mg) 18.5
Particle size (μ) 10
Pore volume (mL/g) 0.95
Surface area (m²/g) 340
Pore diameter (Å) 115
pH range 1 – 9 
Carbon content (%)10
CHROSPE C8 EC

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