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Silica, Alumina
Antibody Reagents
Biochemistry Field
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Cell Biology
Chromatography
CosmoPAGE Pre-cast Gels
COSMOSIL 5C18-MS-II
COSMOSIL 5C18-AR-II
COSMOSIL 5C18-PAQ
COSMOSIL Buckyprep
COSMOSIL Buckyprep-M
COSMOSIL PBB
COSMOSIL Cholester *NEW*
COSMOSIL PYE, COSMOSIL NPE
COSMOSIL C18-OPN
COSMOSIL HILIC *NEW*
COSMOSIL Sugar-D *NEW*
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PEG and Pegylation
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  eChemShop - Chemical Reagents, Natural Compounds, Software, HPLC columns :: COSMOSIL 5C18-AR-II

    COSMOSIL 5C18-AR-II
View More Quality SILICA and ALUMINA Products



COSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability 

and long lifetime at low pH. This phase is recommended for the separations requiring 

acidic mobile phase conditions.It also shows superior molecular shape selectivity to 

monomeric type C18 columns.


Material characteristics :

COSMOSIL 5C18-AR-II
Silica gel high purity porous spherical silica
Average particle size 5?m
Average pore size approx. 120?
Specific surface area approx. 300m2/g
Stationary phase polymeric octadecyl group
End capping treatment near-perfect treatment
Carbon content approx. 17%

 

Low pH stability test with TFA :

Planarity Selectivity :

Application:

    Separation of polar compounds

    

    Separation of chelating compounds

    

    Performance for acidic compounds

    

    Performance for basic compounds

    

 
  		 
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