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[igorponger]

Detecting VOCs in Plastic Odors Using an Electronic Nose

A recognizable response pattern is produced by conventional electronic noses, using a range of dissimilar but not specific chemical sensors.

www.azom.com

It will cost ITTF USD1500 per one sampling on a rubber. Also, it takes a group of learned personel. We do offer a different approach, no apparatus is needed. We call it Safety Label, a sort of guard dog at your house door.
It is to eventually discourage players from illegal treatments on rubber. We like it much better than using some apparatus.

 

[Archosaurus]

I must say I admire your dedication to your schizophrenic crusade against sponge boosting. You could use your time for something much better, but instead you've been the rubber manufacturers' and ITTF's lapdog for well over a decade, for apparently no personal gain.