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Articles

EPA 527 Pesticides and Flame Retardants

This application note demonstrates a sample preparation method using the Empore SPE disk to extract analytes from water samples based on EPA 527 followed by GC–MS.

Detecting Trace Herbicides in Water

This application note demonstrates a sample preparation method using the Empore SDB-XC SPE cartridges to extract 16 herbicides from water samples followed by GC–MS.

Automated TD Sample Dilution and Concentration

The internal standard module of a CDS thermal desorber is used to automate the process of preparing calibration standards onto pre-conditioned thermal desorption tubes

Recollecting Samples in TD-GC-MS Methods

This application note demonstrates the quantitative recollection of split sample to a clean sample saver tube for a group of VOCs in TD–GC–MS.