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  2. Simon's reagent - Wikipedia

    en.wikipedia.org/wiki/Simon's_reagent

    Simon's reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It reacts with secondary amines like MDMA and methamphetamine to give a blue solution. Uses

  3. Reagent testing - Wikipedia

    en.wikipedia.org/wiki/Reagent_testing

    Reagent testing is one of the processes used to identify substances contained within a pill, usually illicit substances. With the increased prevalence of drugs being available in their pure forms, the terms "drug checking" or "pill testing" [1] may also be used, although these terms usually refer to testing with a wider variety of techniques covered by drug checking.

  4. Pentanal - Wikipedia

    en.wikipedia.org/wiki/Pentanal

    Pentanal (also called valeraldehyde) is the organic compound with molecular formula C 4 H 9 CHO. Classified as an alkyl aldehyde , it is a colorless volatile liquid. Its odor is described as fermented, bready, fruity, nutty, berry.

  5. How to shop for at-home Covid tests, according to ... - AOL

    www.aol.com/news/shop-home-covid-tests-according...

    BinaxNOW COVID-19 Antigen Self Test $15.88 at Amazon. BinaxNOW COVID-19 Antigen Self Test $15.88 at Walmart. BinaxNOW COVID-19 Antigen Self Test $23.99 at Walgreens. This kit comes with two tests ...

  6. Marquis reagent - Wikipedia

    en.wikipedia.org/wiki/Marquis_reagent

    The above photo shows the positive results of the number 2 Marquis reagent presumptive drug test when used with a sample of opium. It is the primary presumptive test used in Ecstasy reagent testing kits. It can also be used to test for such substances as opiates (e.g. codeine, heroin), and phenethylamines (e.g. 2C-B, mescaline).

  7. Mecke reagent - Wikipedia

    en.wikipedia.org/wiki/Mecke_reagent

    The Mecke reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of selenous acid and concentrated sulfuric acid, [1] which is dripped onto the substance being tested.

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