USP L122 column: Zwitterionic sulfobetaine on polymer
Zwitterionic sulfobetaine groups grafted onto porous hydrophilic polymer particles of 1-10 um, or onto a monolithic rod.
Mode: HILIC Typical pH range: about 2-10 (polymer)
Typical uses
- Polar compounds by HILIC at high pH
- Polar metabolites and counter-ions
Common sizes (length x internal diameter, particle size)
- 150 x 4.6 mm, 5 um
- 100 x 2.1 mm, 1.7-3.5 um
Tender wording (brand-neutral)
HPLC column with USP L122 packing (Zwitterionic sulfobetaine on polymer), 150 x 4.6 mm, 5 um (length x internal diameter, particle size); stainless-steel or equivalent hardware with standard fittings; recommended pH and temperature range to be stated by the bidder; each column supplied with its certificate of analysis and test chromatogram, batch/lot number and serial number; shelf life not less than 2 years from delivery; any make meeting the USP L122 designation and the stated dimensions is acceptable.
Size:
Changing length or particle size
You can keep the USP L122 packing and use a different length, particle size or diameter within the harmonized USP 621 limits. Check your columns with the calculator.
Related column types
L82 Polyamine on polyvinyl alcohol | L114 Zwitterionic sulfobetaine on silica
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