OmniPac™ PAX-500 HPLC Columns

When you need to separate anionic and neutral species in a single run, use this solvent-compatible mixed-mode column.

Brand: Thermo Scientific

Manufacturer Part Number: 042153


UNSPSC: 41115700

Code: 16

Additional Details:
Additional Details: Weight: 0.50000kg

Disclaimers: Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.

Product Code. 11311723

Quantity Price
1 £ 329.0 / Each
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Description and Specification


For Use With HPLC
Column Type Mixed Mode
For Use With Combined Separation of Anion-exchange/RP
Max. Pressure 4,000psi
Packing Material Spherical, macroporous polymer
Particle Size 8.5µm
Pore Size 60Å
pH 0 to 14
Stationary Phase Reversed Phase/SAX
Length (Metric) 50mm
Surface Area 300m²/g
Item Description OmniPac PAX-500
Length (Metric) 50mm
Technique Mixed-Mode
Carbon Load ----
Diameter 4mm
Column Format Analytical Column
Diameter (Metric) 4mm
Type Standard Bore Guard
USP Type L50
Endcapped ----

The OmniPac PAX-500 column is ideal for analysis of alcohols, alkanolamines, antihistamines, anti-inflammatory agents, aromatic acids, inorganic acids, peptides, purines and pyrimidines, sulfonamides, sulfonated anionic surfactants, and water-soluble vitamins.
  • Macroporous hydrophobic core provides reversed-phase retention and is coated with an anion-exchange latex bead layer for anion-exchange retention
  • Ion exchange capacity of approximately 40µeq/column
  • 100% solvent-compatible and should always be run with at least 1% organic solvent in the mobile phase