unknown substance results

[poppyseed7]

if a pill turns up as an unknown substance, could there be cocaine in it? or would cocaine turn up as amphetamine? what about heroin? i know pills rarely contain heroin, but i'm just curious.
Another thing, i had a pill turn up as ecstacy, but it also had these floating particles that didn't dissolve. What could those floaty things possibly be?

 

[cafehead]

Coke in a pill? Not in sunny Melbourne I think. Here a pill is about $40-$50 and weighs 350-400 mg. Charlie tips in at $230 - $270 per g (or 1000mg). I'd be crushing, marking up and making 115+% I WISH!
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uSeit4g00d

 

[aj]

Subject ; floaty particles.
Those are binders or binding agents.
Yesterday, I had a orange tulip tested at a lab.
The first test was with the reagent.
The reaction itself went purple but all these orange particles did not change color, the did not react.
I thought it was Speed but the guy explained that Speed would react as well, these particles did not react.
Anyway, the pill apparently contained up to 99 mg of mdma ;-)
Regards
aj