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OfflineRigaCrypto
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Narcotest and Cacti
    #6081288 - 09/20/06 05:11 AM (17 years, 7 months ago)

If there is someone with specific knowledge on this issue I'd like an opinion:
Can a Narcotest kit identify a sample of dried Peruvian Torch? To quote from the description:

"Reagent 2 Marquis Reagent (1 ampoule) A test for opiates and amphetamine type compounds. (...) An orange to red to brown sequence within 12 seconds may indicate the presence of an amphetamine. Brown may indicate demerol. Red may indicate the presence of mescaline.
CONTENTS: concentrated sulfuric acid with formaldehyde."

"Reagent 6 Mandelin Reagent (1 ampoule) a confirming test for amphetamines and a presumptive test for Methadone. (Use procedure A) Observe the color changes. Greenish-brown changing to olive-green is indicative of the presence of DL- or D-amphetamines, such as benzedrine, dexedrine, obsedrin, etc. Olive-green changing to grey-green is indicative of methedrine (speed). Methadone turns an immediate deep blue. A brown color with a bluish tinge is indicative of an opiate.
CONTENTS: 0.5 ml of a 1% solution of ammonium vanadate in concentrated sulfuric acid."

The mescaline content of dried PT is around 1% as far as I know, but it also contains other alkaloids.

Can the Narcotest kit only detect pure mescaline or also vegetal matter? Could the other alkaloids give false positives?

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OfflineSeussA
Error: divide byzero

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Registered: 04/27/01
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Re: Narcotest and Cacti [Re: RigaCrypto]
    #6081758 - 09/20/06 10:20 AM (17 years, 7 months ago)

> Can the Narcotest kit only detect pure mescaline or also vegetal matter?

If there is mescaline in the organic matter, then the test will probably pick up on it.

> Could the other alkaloids give false positives?

Certainly, which is why they do not use the results of the field test in court. Instead, they will take the substance to the lab and run GC/MS, etc to determine exactly what the compound is, without doubt (other than cross contamination or poor lab technique)


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OfflineRigaCrypto
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Re: Narcotest and Cacti [Re: Seuss]
    #6081906 - 09/20/06 11:07 AM (17 years, 7 months ago)

How much would a GC/MS test cost, on average (eg. not very new) equipment? I mean the cost for a forensic lab, not the price for a test on order by a public lab.

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