Hyphenated Techniques - LCGC Asia Pacific

Determination of Phthalate Esters by Positive Chemical Ionization MS with Retention-Time Locked GC

Jun 1, 2002
By:Cameron George, Harry Prest

The authors describe a new instrumental method for the determination of phthalate esters using positive chemical ionization and retention-time locking gas chromatography. Positive chemical ionization with ammonia provides a high...

Fast, Efficient Separations in Drug Discovery LCMS Analysis Using Column Switching and Rapid Gradients

Mar 1, 2002
By:Shane R. Needham

Parallel synthetic techniques (1) and parallel biological screening (2) place tremendous time constraints upon analytical chemists to provide results in a rapid fashion. The mass selectivity of liquid chromatographymass...

Determination of Phthalate Esters by Positive Chemical Ionization MS with Retention-Time Locked GC

Fast, Efficient Separations in Drug Discovery  LCMS Analysis Using Column Switching and Rapid Gradients

Fast, Efficient Separations in Drug Discovery LCMS Analysis Using Column Switching and Rapid Gradients