COSMOSIL CN-MS HPLC Columns

Standard Reversed Phase Chromatography - Alkyl Type / Others

• Cyanopropyl group bonded stationary phase
• Enables separation of different hydrophobic samples without using gradient
• For separation of natural compounds with different hydrophobicity

Specifications

Packing Material	PFP	CN-MS	C22-AR-II	C8-MS
USP Code	L43	L10		L7
Silica Gel	High Purity Porous Spherical Silica
Particle Size	5 µm
Pore Size	approx. 120 Å
Specific Surface Area	approx. 300 m2/g
Stationary Phase
	Pentafluorophenyl group	Cyanopropyl Group	Dococyl Group	Octyl Group
Bonding Type	Monomeric		Polymeric	Monomeric
Main Interaction	Hydrophobic interaction π-π interaction Dipole-dipole	Hydrophobic interaction π-π interaction	Hydrophobic interaction
End Capping Treatment	Near-perfect Treatment
Carbon Content	approx. 10%	approx. 7%	approx. 19%	approx. 10%
pH Range	2-7.5

Packing Material	C4-MS	TMS-MS	PE-MS
USP Code	L26	L13	L11
Silica Gel	High Purity Porous Spherical Silica
Particle Size	5 µm
Pore Size	approx. 120 Å
Specific Surface Area	approx. 300 m2/g
Stationary Phase	Butyl Group	Trimethyl Group	Phenylethyl Group
Bonding Type	Monomeric
Main Interaction	Hydrophobic Interaction		Hydrophobic Interaction π- π Interaction
End Capping Treatment	Near-perfect Treatment
Carbon Content	approx. 7%	approx. 5%	approx. 10%
pH Range	2-7.5