MovieChat Forums > The French Connection (1971) Discussion > That test on the junk

That test on the junk

posted 9 years ago by jgroub
1 reply | jump to latest

It's probably complete BS, but if it's actually real, what's going on there? The temp just keeps rising - well, of course it's going to keep rising, there's a flame underneath.

Is the heroin reacting with the mineral oil somehow, and it when it changes or does something, that's how you know how pure it is? Any, ahem, "chemists" out there who know?

I want the doctor to take your picture so I can look at you from inside as well.

[–] psdhart 9 years ago

I believe it is called a Thiele test

http://www.hipforums.com/forum/topic/74655-testing-coke/

There is a similar scene in "The French Connection", where the buyer brings along his chemist to check the purity of a load of heroin. Sets up the old time Thiele tube MP rig to check a sample and gives a running commentary as the temp rises: