MS/MS-based method for quantifying plant-specialized metabolites for determining the quality of medicinal and aromatic plants ...

A new method has been created for determining N-nitrosamines (NAs) in pharmaceutical preparations using liquid chromatography ...

WE have been very interested to see the letter by Weil and Williams 1 and their remarks on the value of Day's work on chromatography in columns of powdered limestone and fuller's earth ...