Attention:

Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

HPLC Analysis of Withania Compounds on Ascentis® Express Phenyl-Hexyl

HPLC Analysis of Withania Compounds on Ascentis® Express Phenyl-Hexyl

Conditions

column Ascentis Express Phenyl-Hexyl, 10 cm x 2.1 mm I.D., 2.7 µm particles (53336-U)
column temp. 35 C
mobile phase [A] water; [B] acetonitrile
gradient 20 to 100% B in 10 min; held at 100% B for 0.5 min
flow rate 0.3 ml/min
pressure 2321 psi (160 bar)
sample 20 µg/mL in water: methanol (80:20)
injection 5 µl
detector UV, 227 nm

Description

Analysis Note This application demonstrates the suitability of Ascentis Express Phenyl-Hexyl for the efficient separation of withania standards.
Categories Analytical Chromatography, Herbal medicines
Featured Industry Vitamins, Nutraceuticals, and Natural Products
Legal Information Ascentis is a registered trademark of Sigma-Aldrich Co. LLC
suitability application for HPLC

Materials

     
Related Links