Tuesday, August 23, 2011

The_Use_of_Photoionization,Flameionization_and_Electron_Capture_Detector_in series_for_Low_MW_Trace_Components_in_Non_Urban_Atmospheres #photoionization, # PID, #FID, #ECD, #non urban atmospheres, #PI52, #GC, #gas chromatography

The paper below from the Institut fur Chemie in Germany compares GC- PID, FID and ECD for non urban samples that were concentrated on tenax. The PID (Model PI52) with an HNU 11.7 eV lamp compares in sensitivity with the ECD for low MW chloroalkanes. and with the FID for a number of hydrocarbons. The HNU PID with a 10.2 eV lamp is more sensitive than the FID or the PID with an 11.7 eV lamp.

The Use of Photoionization,Flameionization and Electron Capture Detector Inseries for Low MW Trace Componen...

A photo of the PID Analyzers Model PI52 is shown below:

Sunday, August 21, 2011

Far UV Ionization (Photoionization) and Absorbance Detectors for Capillary GC #gas chromatograpgy,#capillary GC, #photoionization, #Far UV Absorbance, #PID, #FUV

This is a chapter on photoionization and far UV absorbance detectors that I wrote about 20 years ago. It has been posted on our website and is a popular download:

It was published in 1992 by Wiley, is entitled " Detectors for Capillary GC" and was edited by H. Hill & D. McGinn.

The article is posted below:

Far UV Ionization Photo Ionization) and Absorbance Detectors for CapillaryGC

Sunday, August 14, 2011


This is a paper that I wrote more than 30 years ago on the coupling of a GC PID/FID for the identification of hydrocarbons in complex mixtures. This remains one of the popular downloads on our website http://www.hnu.com . I remember calling this technique a “poor man’s mass spec” but the referee made me remove it. I still believe it though. Follow my blog at http://gcdetectors.blogspot.com, and http://gasanalysis.blogspot.com, #PID/FID, #photoionization, #pidanalyzers, #identification of hydrocarbons, #GC. #PID

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Driscoll, JN GC Detection and Identification of Hydrocarbons by Coupling aPID and FID

Our stand alone photoionization detector (PID) was described in a previous blog:

A New PID for Trace Analysis PC2010a