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- Marquis_reagent abstract "Marquis reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of formaldehyde and concentrated sulfuric acid, which is dripped onto the substance being tested. The United States Department of Justice method for producing the reagent is the addition of 100 mL of concentrated (95–98%) sulfuric acid to 5 mL of 40% formaldehyde. Different compounds produce different color reactions. Methanol may be added to slow down the reaction process to allow better observation of the colour change. This is done by slowing down the polymerisation process.Apparently, was first discovered in 1896 and described by Eduard Marquis (Russian: Эдуард Маркус) in his magister dissertation in 1896; named after him.It is the primary presumptive test used in Ecstasy 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).The test is performed by scraping off a small amount of the substance and adding a drop of the reagent (which is initially clear and colorless). The results are analyzed by viewing the color of the resulting mixture, and by the time taken for the change in color to become apparent:".
- Marquis_reagent wikiPageExternalLink marquis.htm.
- Marquis_reagent wikiPageExternalLink Marquis_Reagent_%28English_Version%29.
- Marquis_reagent wikiPageExternalLink mdma_faq_testing_kits.shtml.
- Marquis_reagent wikiPageID "291231".
- Marquis_reagent wikiPageLength "9356".
- Marquis_reagent wikiPageOutDegree "74".
- Marquis_reagent wikiPageRevisionID "679547155".
- Marquis_reagent wikiPageWikiLink 2,5-Dimethoxy-4-bromoamphetamine.
- Marquis_reagent wikiPageWikiLink 2-FMA.
- Marquis_reagent wikiPageWikiLink 2-Fluoromethamphetamine.
- Marquis_reagent wikiPageWikiLink 25B-NBOMe.
- Marquis_reagent wikiPageWikiLink 25C-NBOMe.
- Marquis_reagent wikiPageWikiLink 25I-NBOMe.
- Marquis_reagent wikiPageWikiLink 2C-B.
- Marquis_reagent wikiPageWikiLink 2C-I.
- Marquis_reagent wikiPageWikiLink 3,4-Methylenedioxy-N-propylamphetamine.
- Marquis_reagent wikiPageWikiLink 3,4-Methylenedioxyamphetamine.
- Marquis_reagent wikiPageWikiLink 5-EAPB.
- Marquis_reagent wikiPageWikiLink 5-MeO-MiPT.
- Marquis_reagent wikiPageWikiLink Adrafinil.
- Marquis_reagent wikiPageWikiLink Alkaloid.
- Marquis_reagent wikiPageWikiLink Alkaloids.
- Marquis_reagent wikiPageWikiLink Amphetamine.
- Marquis_reagent wikiPageWikiLink Aspirin.
- Marquis_reagent wikiPageWikiLink Benzphetamine.
- Marquis_reagent wikiPageWikiLink Benzylpiperazine.
- Marquis_reagent wikiPageWikiLink Butylone.
- Marquis_reagent wikiPageWikiLink Caffeine.
- Marquis_reagent wikiPageWikiLink Category:Analytical_reagents.
- Marquis_reagent wikiPageWikiLink Category:Chemical_tests.
- Marquis_reagent wikiPageWikiLink Category:Drug_testing_reagents.
- Marquis_reagent wikiPageWikiLink Chlorpromazine.
- Marquis_reagent wikiPageWikiLink Cocaine.
- Marquis_reagent wikiPageWikiLink Codeine.
- Marquis_reagent wikiPageWikiLink DXM.
- Marquis_reagent wikiPageWikiLink Dextromethorphan.
- Marquis_reagent wikiPageWikiLink Dextropropoxyphene.
- Marquis_reagent wikiPageWikiLink Diacetylmorphine.
- Marquis_reagent wikiPageWikiLink Dimethoxymethamphetamine.
- Marquis_reagent wikiPageWikiLink Dimethylamylamine.
- Marquis_reagent wikiPageWikiLink Dimethyltryptamine.
- Marquis_reagent wikiPageWikiLink Doxepin.
- Marquis_reagent wikiPageWikiLink Ecstasy_(drug).
- Marquis_reagent wikiPageWikiLink Excedrin.
- Marquis_reagent wikiPageWikiLink Exedrine.
- Marquis_reagent wikiPageWikiLink Formaldehyde.
- Marquis_reagent wikiPageWikiLink Heroin.
- Marquis_reagent wikiPageWikiLink LSD.
- Marquis_reagent wikiPageWikiLink Liebermann_reagent.
- Marquis_reagent wikiPageWikiLink Lysergic_acid_diethylamide.
- Marquis_reagent wikiPageWikiLink MDA_(drug).
- Marquis_reagent wikiPageWikiLink MDMA.
- Marquis_reagent wikiPageWikiLink Meperidine.
- Marquis_reagent wikiPageWikiLink Mescaline.
- Marquis_reagent wikiPageWikiLink Methadone.
- Marquis_reagent wikiPageWikiLink Methamphetamine.
- Marquis_reagent wikiPageWikiLink Methanol.
- Marquis_reagent wikiPageWikiLink Methoxetamine.
- Marquis_reagent wikiPageWikiLink Methylene_Blue.
- Marquis_reagent wikiPageWikiLink Methylene_blue.
- Marquis_reagent wikiPageWikiLink Methylenedioxyamphetamine.
- Marquis_reagent wikiPageWikiLink Methylenedioxyethylamphetamine.
- Marquis_reagent wikiPageWikiLink Methylenedioxymethamphetamine.
- Marquis_reagent wikiPageWikiLink Methylenedioxypropylamphetamine.
- Marquis_reagent wikiPageWikiLink Methylenedioxypyrovalerone.
- Marquis_reagent wikiPageWikiLink Methylhexanamine.
- Marquis_reagent wikiPageWikiLink Methylone.
- Marquis_reagent wikiPageWikiLink Methylphenidate.
- Marquis_reagent wikiPageWikiLink Modafinil.
- Marquis_reagent wikiPageWikiLink Morphine.
- Marquis_reagent wikiPageWikiLink N,N-Dimethyltryptamine.
- Marquis_reagent wikiPageWikiLink Opiate.
- Marquis_reagent wikiPageWikiLink Opium.
- Marquis_reagent wikiPageWikiLink Oxycodone.
- Marquis_reagent wikiPageWikiLink Pethidine.
- Marquis_reagent wikiPageWikiLink Phenethylamine.
- Marquis_reagent wikiPageWikiLink Pill_testing.
- Marquis_reagent wikiPageWikiLink Polymerisation.
- Marquis_reagent wikiPageWikiLink Polymerization.
- Marquis_reagent wikiPageWikiLink Presumptive_and_confirmatory_tests.
- Marquis_reagent wikiPageWikiLink Presumptive_test.
- Marquis_reagent wikiPageWikiLink Propoxyphene.
- Marquis_reagent wikiPageWikiLink Sugar.
- Marquis_reagent wikiPageWikiLink Sulfuric_acid.
- Marquis_reagent wikiPageWikiLink United_States_Department_of_Justice.
- Marquis_reagent wikiPageWikiLinkText "Marquis Reagent".
- Marquis_reagent wikiPageWikiLinkText "Marquis reagent".
- Marquis_reagent wikiPageWikiLinkText "Marquis test".
- Marquis_reagent wikiPageWikiLinkText "Marquis".
- Marquis_reagent wikiPageWikiLinkText "marquis reagent".
- Marquis_reagent hasPhotoCollection Marquis_reagent.
- Marquis_reagent wikiPageUsesTemplate Template:Chem-stub.
- Marquis_reagent wikiPageUsesTemplate Template:Citation_needed.
- Marquis_reagent wikiPageUsesTemplate Template:Lang-ru.
- Marquis_reagent wikiPageUsesTemplate Template:Reflist.
- Marquis_reagent wikiPageUsesTemplate Template:Rp.
- Marquis_reagent subject Category:Analytical_reagents.
- Marquis_reagent subject Category:Chemical_tests.
- Marquis_reagent subject Category:Drug_testing_reagents.