SINCE 1992
 
 

Click HERE for Frequently Asked Questions about TYPE-C Silica columns.

Click HERE for Application Notes.

Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM - 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Customer Support

We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

  • Call us: 8:30AM - 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Technical Support

RP or ANP | Weak cation exchange | Undecanoic acid - Dual mode possible.

These columns have an 11 carbon, aliphatic linker with a terminal, carboxylic acid group (Undecanoic Acid) bonded to the silica hydride surface. This phase is very unique as it has weak cation exchange (wcx) properties in addition to those of aqueous normal phase (ANP) mode. A dual mode is possible with some mobile phase conditions.

The carboxylic acid group contributes some additional selectivity to the phase. When the mobile phase is above pH 5.9 the acid group becomes 90% negatively charged and at pH 6.9 it becomes 99% charged and may act as a cation exchanger. Below pH 4.9, the group does not have significant ion exchange properties and should be used primarily for ANP. Recommendation: to use the cation exchange function with this column, use a mobile phase around pH 6 or higher if possible.

The Cogent UDA column is a good choice for LCMS and precise methods are easily developed even with complex sample matrices as very little desalting is required.

  • Click HERE to view specifications.

  • Click HERE for more information "About TYPE-C™ columns".

  • Click HERE for "How to use Cogent UDA™ HPLC columns.

NOTE: Our technical support team strongly recommends that the Cogent column filter, included with each column, be used with all HPLC columns whenever possible. Click HERE for details.

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Product Ordering Information
This items is made to order and is not returnable and order cannot be canceled.

HPLC Column, UDA (wcx), 4um, 3.0mm ID x 50mm Length, 100A. Cogent TYPE-C Brand. 1 EA. CUSTOM ORDER.

Custom Order Item. Inquire for more information.

$919.66 / EA

This items is made to order and is not returnable and order cannot be canceled.

HPLC Column, UDA (wcx), 4um, 3.0mm ID x 100mm Length, 100A. Cogent TYPE-C Brand. 1 EA. CUSTOM ORDER.

Custom Order Item. Inquire for more information.

$1,088.48 / EA

This items is made to order and is not returnable and order cannot be canceled.

HPLC Column, UDA (wcx), 4um, 3.0mm ID x 150mm Length, 100A. Cogent TYPE-C Brand. 1 EA. CUSTOM ORDER.

Custom Order Item. Inquire for more information.

$1,233.02 / EA

This items is made to order and is not returnable and order cannot be canceled.

HPLC Column, UDA (wcx), 4um, 3.0mm ID x 150mm Length, 100A. Cogent TYPE-C Brand. 1 EA. CUSTOM ORDER.

Custom Order Item. Inquire for more information.

$1,340.73 / EA

This items is made to order and is not returnable and order cannot be canceled.

Semi Prep HPLC Column, UDA (wcx), 4um, 100A. 10mm ID x 50mm Length. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$2,319.90 / EA

This items is made to order and is not returnable and order cannot be canceled.

Semi Prep HPLC Column, UDA (wcx), 4um, 100A. 10mm ID x 100mm Length. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$2,776.06 / EA

This items is made to order and is not returnable and order cannot be canceled.

Semi Prep HPLC Column, UDA (wcx), 4um, 100A. 10mm ID x 150mm Length. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$3,261.23 / EA

This items is made to order and is not returnable and order cannot be canceled.

Semi Prep HPLC Column, UDA (wcx), 4um, 100A. 10mm ID x 250mm Length. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$4,231.68 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 21.2mm ID x 50mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$4,994.48 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 21.2mm ID x 100mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$6,685.69 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 21.2mm ID x 150mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$9,018.40 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 21.2mm ID x 250mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$13,217.31 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 30mm ID x 50mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$11,510.55 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 30mm ID x 100mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$15,709.45 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 30mm ID x 150mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$19,908.32 / EA

This items is made to order and is not returnable and order cannot be canceled.

Prep HPLC Column, UDA (wcx), 4um, 100A. 30mm ID x 250mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.

Custom Order Item. Inquire for more information.

$28,072.83 / EA

This item is on Clearance and is priced to sell quickly. Clearance items are not returnable. Additional items might be available as a Custom Order, please contact Customer Service for details.

Guard Column Cartridge, UDA (wcx), Replacement Cartridge, 2.0mm ID x 10mm Length, 4um, 100A. In an individual black case. Cogent TYPE-C Brand. 1 EA.

Limited Quantities Available. Discontinued when sold.

$280.02 / EA

This item is on Clearance and is priced to sell quickly. Clearance items are not returnable. Additional items might be available as a Custom Order, please contact Customer Service for details.

Guard Column Cartridge, UDA (wcx), Replacement Cartridge, 1.0mm ID x 10mm Length, 4um, 100A. Hichrom style, in an individual black case. Cogent TYPE-C Brand. 1 EA.

Limited Quantities Available. Discontinued when sold.

$280.02 / EA

Guard Column Starter Set, UDA (wcx), complete with 5 each 2.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$1,443.26 / Set

Guard Column cartridges, UDA (wcx), replacement, 2.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase. Cogent TYPE-C Brand. 5/PK.

$909.60 / PK

Guard Column Starter Set, UDA (wcx), complete with 5 each 2.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$247.29 / Set

Guard Column Starter Set, UDA (wcx), complete with 5 each 4.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$1,443.26 / Set

Guard Column cartridges, UDA (wcx), replacement, 4.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase. Cogent TYPE-C Brand. 5/PK.

$909.60 / PK

Guard Column Starter Set, UDA (wcx), complete with 5 each 4.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$247.29 / Set

This item is on Clearance and is priced to sell quickly. Clearance items are not returnable. Additional items might be available as a Custom Order, please contact Customer Service for details.

Guard Column Cartridge, UDA (wcx) 2.o, Replacement Cartridge, 2.0mm ID x 10mm Length, 2.2um, 120A. Hichrom style, in an individual black case. Cogent TYPE-C Brand. 1 EA.

Limited Quantities Available. Discontinued when sold.

$281.38 / EA

Guard Column Starter Set, UDA 2.o (wcx), complete with 5 each 2.0 mm ID x 10 mm long cartridges packed with 2.2 um, 120 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$1,596.39 / Set

Guard Column cartridges, UDA 2.o (wcx), replacement, 2.0 mm ID x 10 mm long cartridges packed with 2.2 um, 120 A phase. Cogent TYPE-C Brand. 5/PK.

$1,067.45 / PK

Guard Column Starter Set, UDA 2.o (wcx), complete with 5 each 2.0 mm ID x 10 mm long cartridges packed with 2.2 um, 120 A phase and 1 each guard column holder. Cogent TYPE-C Brand. 1 EA.

$213.41 / Set

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