Flow splitting for maximum information


by Grant Drenkow

In nanotechnology research the sample sizes of chemical mixtures are quite small.  It’s important to do a thorough analysis of this small sample as efficiently as possible.  Flow splitting - sending the sample to multiple detectors - is an important measurement technique in gas chromatography.  The technique provides the most information possible in a single run.  The technique allows you to locate peaks of interest faster and provides higher confidence in identifying unknowns in the sample. 

 The new Agilent 7890A Gas Chromatograph uses flow splitting for fast sample characterization.  It makes use of capillary flow technology for channels with low dead volumes.  I believe the combination of these techniques will be a key for the nanotechnology researcher.

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