Certain features of 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.

Dedicated Normal Phase Amino

An amino phase, dedicated to normal phase chromatography, is especially useful when the analytes are not water soluble - for example, fat-soluble vitamins A, D, E, and K.