
LCGC North America
The authors describe a new instrumental method for determining phthalate esters using positive chemical ionization and retention-time locking GC.
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LCGC North America
The authors describe a new instrumental method for determining phthalate esters using positive chemical ionization and retention-time locking GC.

LCGC North America
Guest author Cameron George discusses recent advances in purge-and-trap systems that enable considerable reduction in analysis times.