Colors may vary on a lot of products. The supplier is not able to send a specific color for most items, images are to show style only. Bi-Chromatic Magnetic Powder For the presumptive identification of Methamphetamine and MDMA Ecstacy. A positive result is obtained after a brown or violet result in Test A. Test A should always be used prior to Test U, as color results for Methamphetamine, Amphetamine and MDMA Ecstacy can be very similar.
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