Why should they "in theory" turn purple-black? I was under the assumption that the methylenedioxy chain of MDMA/MDA/MDE caused purple-black.
PMA is paramethoxy amphetamine, so the only commonality between PMA and the MDxx's is the amphetamine chain on the end. If you think it's the amphetamine chain that causes this purple reaction, then why do straight (meth/)amphetamines show up as orange, according to the test kit?
BTW, the people saying that PMA pills are good don't necessarily have to be the marketers. PMA (in the proper dose) is supposed to be quite fun, since it releases massive quantities of serotonin, as well as dopamine and epinephrine. It's proper dose just happens to be about half the mgs as MDMA, and the LD50 of it is much lower than MDMA, hence all the deaths attributed to it.
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[This message has been edited by Mr. Sticky (edited 12 June 2000).]