TSKGEL VMPAK-25 5CM X 2MM ID 7UM

Code: 820011 D2-231

General description

TSKgel® VMpak-25 columns are specialty columns for the analysis of basic drugs that are often difficult to retain with good peak shape on ...


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General description

TSKgel® VMpak-25 columns are specialty columns for the analysis of basic drugs that are often difficult to retain with good peak shape on alkyl-bonded reversed phase columns. The packing material in TSKgel VMpak-25 columns is a hydrophilic vinyl polymer gel (7 µm), similar to that in TSKgel Alpha-2500 size-exclusion columns, although the column dimensions are more appropriate for non-SEC applications. Depending on the mobile phase composition, compounds will be retained by a combination of reverse phase and cation exchange on residual carboxylic acid groups.

Legal Information

TSKgel is a registered trademark of Tosoh Corporation

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L × I.D.5 cm × 2 mm
manufacturer/tradenameTosoh 20011
materialstainless steel
matrix active groupammonium ion, quaternary phase
matrixhydroxylated methacrylic polymer
operating pH2-12
parameter10-80 °C temperature, 20 bar max. pressure, 0-100% organic solvent, ≤0.5 M salt concentration, 0.22 mL/min flow rate
particle size7 µm
product lineTSKgel®
separation techniquemixed mode
technique(s)HPLC: suitable
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