Thermo Scientific OmniPac Columns
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OmniPac HPLC Columns from Thermo Scientific
OmniPac DVB polymer columns for combined ion exchange and reversed-phase separations
Thermo Scientific OmniPac is a range of latex-based columns. Both PAX columns have an ion exchange capacity of about 40 µeq per column, and the PCX columns have a capacity of approximately 120 µeq per column. The PAX-500 and PCX-500 columns separate analytes through both ion exchange and reversed-phase mechanisms, due to their higher reversed phase capacity relative to the PAX-100 and PCX-100 columns.
Thermo Scientific OmniPac is a range of DVB polymer columns for combined ion exchange and reversed phase separations. Both PAX columns have an ion exchange capacity of about 40μeq per column, and the PCX columns have a capacity of approximately 120μeq per column. The PAX-500 and PCX-500 columns separate analytes through both ion exchange and reversed-phase mechanisms, due to their higher reversed-phase capacity relative to the PAX-100 and PCX-100 columns.
Features
- Acid, base and solvent compatible, pH 0 to 14
- Ideal for the separation of high molecular weight organic acids
- Delivers optimal separation of very hydrophobic anions
- Delivers optimal separation of halogenated anions
- Provides simultaneous separation of neutral and ionic species
- Unique selectivity for polar and ionic organic analytes
- Delivers optimal separation of organic, hydrophobic, and halogenated cations
Specifications
| PAX-100 | PAX-500 | PCX-100 | PCX-500 | |
| Retention Mechanism | Anion exchange | Anion exchange and/or reversed phase | Cation exchange | Cation exchange and/or reversed phase |
| Applications | Inorganic anions, organic anions | Neutral organics anions, ion suppressible weak bases | Inorganic cations, organic cations | Neutral organics cations, ion suppressible weak acids |
| Special Selectivity Applications | Very hydrophobic anions, halogenated anions (eliminates hydrophobic retention of PAX- 500) | Separation of organic and inorganic anions by hydrophobic and ion exchange differences (separates neutrals and anions in a single run) | Very hydrophobic cations Halogenated cations (eliminates hydrophobic retention of PCX- 500) | Separation of organic and inorganic cations by hydrophobic and ion exchange differences (separates neutrals and cations in a single run) |
| On-Column Sample Prep | All neutral matrix components are eluted in the void | Selectively elutes neutral or anionic matrix interferences | All neutral matrix components are eluted in the void | Selectively elutes neutral or cationic matrix interferences. |
Literature
Product manual for the OmniPac PAX-100 and PAX-500 columns
Product manual for the OmniPac PCX-100 columns
Product manual for the OmniPac PCX-500 columns