I have had a number of requests for copies of my paper from Pittcon 2010 entitled " A New PID for Trace Analysis". This presentation describes the 4 th generation PID which was first introduced by us at the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy in Cleveland, OH in 1976. The 4th generation detector with improved sensitivity and lower dead volume is shown below:
Is is interesting to note that when we (HNU) introduced the 1st commercial PID in 1976 at #Pittcon in Cleveland, and we stated that "Our PID is 50 times more sensitive than an FID for benzene", we were greated with skepticism. Today, 35 years later, many people are still unaware that the PID has this kind of sensitivity.