- Joined
- Apr 17, 2019
My dude, have you ever worked with a mass spec? I'm not doing this as a "reddit, trust the science" fag, I'm saying this as someone actually trained on one. MS breaks the drug into chunks at it's weakest points, VERY FREQUENTLY these will literally be the same as the metabolites.That they cant properly distinguish between metabolite and parent drug, I seriously doubt... if it was a garage company, perhaps.
When you do this quantitatively, you chose the largest peak and compare it to a known amount of another chemical (typically a very stable one) you put in there. In this case, 82, which is a pretty big fucking peak, is on both of them and while yes, both of these have distinct peaks, they both share the same peak and that's the largest for cocaine AND present for both of the metabolites (2 major for cocaine)


I'm not saying the company couldn't I'm saying there's literally no reason to distinguish. If it's on the skin, there will be a metabolite. Both of them will appear strongly and additively at 82, and that's assuming that the larger peaks made it through both the GC and the digestion. When I say GC is hot I mean well above the boiling point of water, well at the point that the uncatalyzed spontaneous decomp of biologically active drugs is expected. That's after a bath with hydroxide at 95C (don't quote me on that) which is enough to digest wood. 82 is just safer for the poor bastard doing 100 of these a day.
I'm sure they could go back and make sure but there's no reason. If there's cocaine on your fucking hair you are obviously taking cocaine. It will literally absorb through your skin.
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