MicroSolv manufactures HPLC columns, autosampler vials for HPLC & GC, syringe filters, fittings and accessories and small bore tubing. CE, TLC, Flash Chromatography and OPLC are also available. Separation sciences leaders.

Since 1992
      Cogent HPLC ColumnsClick to enlarge

Hydrophobic and Silanophilic Interaction Tests
for Cogent™ TYPE-C™ Silica-Hydride
HPLC Columns

The “Neue Test”

Actual Chromatograms: Silanophilic Test
Cogent UDC-Cholesterol™
4µm, 4.6 x7.5mm
Catalog No.: 69069-7.5P

Method Conditions:
Mobile Phase: 35:65, 20mM phosphate buffer, pH 7/Methanol
Flow Rate: 0.5ml/min
Injection Volume: 1µl
Detection: UV 214nm
Sample: Dissolved in Methanol
Amitriptyline Hydrochloride 100mg/L
Assymmetry Parameter (As): 0.950


Actual Chromatograms: Hydrophobicity Test
Cogent UDC-Cholesterol™