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© 2021 MJH Life Sciences™ and Chromatography Online. All rights reserved.
In EPA 524.3, environmental labs are allowed to modify purge and trap/GC-MS conditions for drinking water samples. CDS 7000 series product meets and exceeds the requirements.
In EPA 524.4, nitrogen replaced helium in purging VOCs from drinking water samples. CDS 7000 concentrator with a 7450 autosampler meets and exceeds the requirements.
This application note demonstrates the quantitative sample split capability of 7550S thermal desorber for a group of VOCs with boiling point up to 218 °C.
This application note demonstrates the ability of the Empore EZ-Trace SPE Workstation to effectively extract HEM from water samples under EPA Method 1664.