FlyerTalk Forums - View Single Post - Investigation into TSA non-dipping test strips
Old Jul 9, 2012, 2:48 pm
  #8  
Ysitincoach
 
Join Date: Nov 2007
Location: USA
Posts: 1,685
Originally Posted by BubbaLoop
These are not pH strips. They claim them to be similar to pH strips, and to detect "explosives" without immersion into the liquid, just by being waved above it. That is the precise reason I wanted to try to find out more about them. Seems pretty magical to me...
I don't think it's as magical as logic would make us believe. They've done dry vapor tests since the 60s when dealing with chemicals, acids, all the nasty stuff that would explode.
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