14 excerpt from reporter 27 5 advantages of reversed phase for preparative chiral separations astec chirobiotic columns operate in lc ms and prep compatible reversed phase mode jennifer e claus ...
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...Excerpt from reporter advantages of reversed phase for preparative chiral separations astec chirobiotic columns operate in lc ms and prep compatible mode jennifer e claus figure separation fluoxetine on sial com y the use v provides a number benefits over normal column cm x mm i d m particles aph methods addition to eliminating solubility issues mobile ammonium acetate ph acetonitrile flow rate ml min often experienced non polar solvents temp c utilization chromatography uses det uv at nm injection l romatogr less toxic than those associated with sample racemic mg h timely recovery unlike many cellulosic phases that are incompatible iquid modes possess multiple bonded selectors making them extremely robust all commonly used hplc g successful performed is illustrated rapid following purification fractions separated enantiomers may be run through versapak flash cartridge analytes adhere washed water remove unwanted buffer salts other additives this washing procedure ensures do not remain...