USP L57 column: Ovomucoid chiral protein
Ovomucoid chiral-recognition protein bonded to silica (about 5 um, 120 A pores).
Mode: chiral Typical pH range: about 3-7.5 (protein phase; avoid extremes)
Typical uses
- Enantiomers of drugs in aqueous buffered mobile phase
Common sizes (length x internal diameter, particle size)
- 150 x 4.0 mm, 5 um
- 100 x 4.0 mm, 5 um
Protein column: limited organic modifier and sample load.
Tender wording (brand-neutral)
HPLC column with USP L57 packing (Ovomucoid chiral protein), 150 x 4.0 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 L57 designation and the stated dimensions is acceptable.
Size:
Changing length or particle size
You can keep the USP L57 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
L32 Chiral ligand exchange (L-proline copper) | L40 Cellulose tris(3,5-dimethylphenylcarbamate), coated | L41 Alpha1-acid glycoprotein (AGP) chiral | L45 Beta-cyclodextrin (hydroxypropyl) chiral | L51 Amylose tris(3,5-dimethylphenylcarbamate), coated | L66 Crown ether chiral, (S)-18-crown-6
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