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NIK Narcotic Test L - Brown Heroin. Modified Mecke's Reagent - For the presumptive identification of all forms of Heroin, including White, Brown and Black Tar, and MDMA (Ecstasy), as well as detecting the presence of certain dye combinations designed to give false positives with Test A.

Each NIK® test pouch contain one, two or three chemical ampoules. This eliminates the need for measuring, mixing and dispensing of reagents. Just place a small sample of the suspected substance in the pouch, break the ampoules and watch for the color change. A positive color indicator on the pouch will help to interpret the reaction.

The shelf life is indefinite. Prolonged exposure to strong sunlight or heat should be avoided. Packed with 10 test pouches per box.

NIK Test Descriptions & Summaries We have prepared a detailed description of NIK tests and consolidated them into a two-page document. You are welcome to download this document, print it, keep it with the kits or post it. Click for Presumptive Test Description Document. Click for ODV / NIK Crossover Chart. Click for NIK Instruction Sheets.

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