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Determination of Phthalate Esters by Positive Chemical Ionization MS with Retention-Time Locked GC
The authors describe a new instrumental method for determining phthalate esters using positive chemical ionization and retention-time locking GC.
High-Speed Analysis of Volatile Organic Compounds in Environmental Samples Using Small-Diameter Capillary Columns and Purge-and-Trap GC–MS Systems
Guest author Cameron George discusses recent advances in purge-and-trap systems that enable considerable reduction in analysis times.