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...  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...
| 
