by Dionex
The OmniPac® PAX-100 column is a microporous, solvent-compatible, high-capacity, anion-exchange column designed for the separation of hydrophobic anions, and specifically very hydrophobic and halogenated anions. All neutral matrix components are eluted in the void volume.
The OmniPac PAX-100 column was one of the first solvent-compatible, anion-exchange columns for the separation of inorganic and organic anions providing acid and base compatibility over the entire pH range. Because the OmniPac PAX-100 is solvent compatible, solvents can be used to modify the ion-exchange selectivity. Additionally, solvents can be used to solubilize otherwise insoluble samples, or to remove organic impurities from the column to prolong column life. The OmniPac PAX-100 is 100% solvent compatible and should always be run with at least 1% organic solvent in the mobile phase.
The OmniPac PAX-100 column is particularly well suited for the analysis of larger organic acids, including alkylbenzene sulfonates, aromatic acids, barbiturates, polyphosphates, inositol phosphates, thiocyanate, thiosulfate, and iodate
| Vendor | Dionex | Internal Diameter | 4.0 |
| Brand | OmniPac PAX-100 | Max Pressure | 4000 |
| Modifification | Polymer/ Alkanolquaternary amine | Operating Temperature | Ambient |
| Mode | Reversed-Phase+AX | pH stability from | 0.0 |
| Length | 250 | pH stability to | 14.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Dionex | OmniPac PAX-500 | Reversed-Phase+AX | Polymer/ Alkanolquaternary amine | 4.0 mm | 250 mm | — | — | On request |
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