OroSil HPLC columns are designed for the separation of polar, semi-polar, and nonpolar compounds at low to medium pH.

Performance

Benefits Excellent organic base selectivity with very low asymmetry values Compatible with 100% aqueous phases Very low silanol and metals activity

Features Available Phases: C18 and C8

Particle Sizes: 3 µm and 5 µm

High hydrophobicity

Intermediate polarity

• Surface Area: 380 m2/g

• Pore Size: 100 Ǻ

• pH Range: 1.5-9.0

% Carbon load: 17 (C18); 12(C8)

Endcapped: Yes

Separation Of Basic Analytesusing a Typical C18 Column

Separation Of Basic Analytesusing a Orosil ODS-2 Column

Column: 4.6 x 150 mm.Mobile Phase: 60% methanol/40% water.Flow Rate: 1.0 mL/min.Detection: UV 254 nm.Components.1. uracil2. aniline3. p-toluidine4. 4-ethyl aniline5. N,N-diethylaniline

Column: 4.6 x 150 mm.Mobile Phase: 60% methanol/40% water.Flow Rate: 1.0 mL/min.Detection: UV 254 nm.Components.1. uracil2. aniline3. p-toluidine4. 4-ethyl aniline5. N,N-diethylaniline

OroSil HPLC ColumnOroSilHPLC Columns

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