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- Zwikker_reagent abstract "The Zwikker reagent is used as a simple spot-test to presumptively identify barbiturates. It is composed of a mixture of two solutions. Part A is 0.5 g of copper (II) sulfate in 100 ml of distilled water. Part B consists of 5% pyridine (v/v) in chloroform. One drop of each is added to the substance to be tested and any change in colour is observed.The test turns phenobarbital, pentobarbital and secobarbital light purple. Tea and tobacco turn yellow-green.The test's lack of specificity and tendency to produce false positives means it is not widely used for presumptive drug testing, although it does still play a role as a thin layer chromatography stain.".
- Zwikker_reagent wikiPageID "34914721".
- Zwikker_reagent wikiPageLength "2150".
- Zwikker_reagent wikiPageOutDegree "15".
- Zwikker_reagent wikiPageRevisionID "678474522".
- Zwikker_reagent wikiPageWikiLink Barbiturate.
- Zwikker_reagent wikiPageWikiLink Category:Analytical_reagents.
- Zwikker_reagent wikiPageWikiLink Category:Chemical_tests.
- Zwikker_reagent wikiPageWikiLink Category:Drug_testing_reagents.
- Zwikker_reagent wikiPageWikiLink Copper(II)_sulfate.
- Zwikker_reagent wikiPageWikiLink Dille–Koppanyi_reagent.
- Zwikker_reagent wikiPageWikiLink Distilled_water.
- Zwikker_reagent wikiPageWikiLink Froehde_reagent.
- Zwikker_reagent wikiPageWikiLink Marquis_reagent.
- Zwikker_reagent wikiPageWikiLink Pentobarbital.
- Zwikker_reagent wikiPageWikiLink Phenobarbital.
- Zwikker_reagent wikiPageWikiLink Pill_testing.
- Zwikker_reagent wikiPageWikiLink Pyridine.
- Zwikker_reagent wikiPageWikiLink Secobarbital.
- Zwikker_reagent wikiPageWikiLink Thin-layer_chromatography.
- Zwikker_reagent wikiPageWikiLinkText "Zwikker reagent".
- Zwikker_reagent wikiPageUsesTemplate Template:Chem-stub.
- Zwikker_reagent wikiPageUsesTemplate Template:Reflist.
- Zwikker_reagent subject Category:Analytical_reagents.
- Zwikker_reagent subject Category:Chemical_tests.
- Zwikker_reagent subject Category:Drug_testing_reagents.
- Zwikker_reagent type Reagent.
- Zwikker_reagent type Technique.
- Zwikker_reagent comment "The Zwikker reagent is used as a simple spot-test to presumptively identify barbiturates. It is composed of a mixture of two solutions. Part A is 0.5 g of copper (II) sulfate in 100 ml of distilled water. Part B consists of 5% pyridine (v/v) in chloroform. One drop of each is added to the substance to be tested and any change in colour is observed.The test turns phenobarbital, pentobarbital and secobarbital light purple.".
- Zwikker_reagent label "Zwikker reagent".
- Zwikker_reagent sameAs Q8075704.
- Zwikker_reagent sameAs m.0j44f0z.
- Zwikker_reagent sameAs Q8075704.
- Zwikker_reagent wasDerivedFrom Zwikker_reagent?oldid=678474522.
- Zwikker_reagent isPrimaryTopicOf Zwikker_reagent.