HPLC columns, Cogent UDA™

Supplier: MICROSOLV TECH CORP
40231-05P-2 40231-10P-1 40231-10P-2 40231-15P-1 40231-15P-2 40231-HG3 40031-05P 40031-05P-1 40031-05P-2 40031-10P 40031-10P-1 40031-10P-2 40031-15P 40031-15P-1 40031-15P-2 40031-25P 40031-HG5 40031-P21-100 40031-P21-150 40031-P21-250 40031-P21-50 40031-P30-100 40031-P30-150 40031-P30-250 40031-P30-50 40031-SP100 40031-SP150 40031-SP250 40031-SP50
554-6486EA 1070 GBP
554-6486 554-6489 554-6490 554-6493 554-6494 554-6499 554-6235 554-6236 554-6237 554-6240 554-6241 554-6242 554-6245 554-6246 554-6247 554-6250 554-6260 554-6267 554-6268 554-6269 554-6270 554-6272 554-6273 554-6274 554-6275 554-6277 554-6278 554-6279 554-6280
HPLC columns, Cogent UDA™
Chromatography Columns
These carboxylic acid HPLC columns have a silica hydride surface similar to other TYPE-C™ Silica phases but the uniqueness of Cogent UDA™ is that they can exhibit weak cation exchange properties in addition to RP and ANP retention; a mixed mode is possible with some mobile phases conditions.

  • Weak cation
  • Mixed mode

A terminal carboxylic acid group contributes some additional selectivity in this column and when the mobile phase is above pH 5,9, the acid group becomes 90% negatively charged and at pH 6,9 is 99% charged and may act as a cation exchanger. Below pH 4,9, the group does not have significant ion exchange properties.
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