USP L45 column: Beta-cyclodextrin (hydroxypropyl) chiral
Beta-cyclodextrin, as the R,S-hydroxypropyl ether derivative, bonded to porous silica of 3-10 um.
Mode: chiral Typical pH range: about 2-8 (silica base)
Typical uses
- Enantiomer and isomer separations in reversed-phase mode
- Inclusion-based selectivity for aromatic compounds
Common sizes (length x internal diameter, particle size)
- 250 x 4.6 mm, 5 um
- 150 x 4.6 mm, 3 um
Tender wording (brand-neutral)
HPLC column with USP L45 packing (Beta-cyclodextrin (hydroxypropyl) chiral), 250 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 L45 designation and the stated dimensions is acceptable.
Size:
Changing length or particle size
You can keep the USP L45 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 | L51 Amylose tris(3,5-dimethylphenylcarbamate), coated | L66 Crown ether chiral, (S)-18-crown-6
Not sure this is the right column? Use the step-by-step column selector.