https://bartovation.com/product/moisture-leak-detection/qual...
https://www.acustrip.com/cgi-bin/proddesc.cgi?s=40134
if you get into analyzing fuel samples beware that surprisingly small amounts of vapour can make a likewise large bang. just a drop or two of gasoline vapourized and ignited in a mortar tube, will make you change your pants.
https://thisvsthat.io/gasoline-vs-iso-octane
https://en.wikipedia.org/wiki/2,2,4-Trimethylpentane
https://www.waldeneffect.org/blog/How_to_measure_the_ethanol...