产品名称
TSKgel® VMpak-25 HPLC Column, phase ammonium ion, quaternary, L × I.D. 15 cm × 2 mm, 7 μm particle size
物料
stainless steel
产品线
TSKgel®
制造商/商品名称
Tosoh 20012
参数
≤0.5 M salt concentration
0-100% organic solvent
0.22 mL/min flow rate
10-80 °C temperature
60 bar max. pressure
技术
HPLC: suitable
长度 × 内径
15 cm × 2 mm
基质
hydroxylated methacrylic polymer
基质活性基团
ammonium ion, quaternary phase
粒径
7 μm
工作pH值
2-12
分离技术
mixed mode
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一般描述
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.
法律信息
TSKgel is a registered trademark of Tosoh Corporation
法规信息
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