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  2. Potassium permanganate - Wikipedia

    en.wikipedia.org/wiki/Potassium_permanganate

    Aldehydes and formic acid (and formates) also give a positive test. [43] The test is antiquated. Baeyer's reagent reaction. KMnO 4 solution is a common thin layer chromatography (TLC) stain for the detection of oxidizable functional groups, such as alcohols, aldehydes, alkenes, and ketones. Such compounds result in a white to orange spot on TLC ...

  3. Bromine test - Wikipedia

    en.wikipedia.org/wiki/Bromine_test

    In organic chemistry, the bromine test is a qualitative test for the presence of unsaturation (carbon-to-carbon double or triple bonds), phenols and anilines. An unknown sample is treated with a small amount of elemental bromine in an organic solvent, being as dichloromethane or carbon tetrachloride. Presence of unsaturation and/or phenol or ...

  4. Baeyer–Villiger oxidation - Wikipedia

    en.wikipedia.org/wiki/Baeyer–Villiger_oxidation

    The Baeyer–Villiger oxidation is an organic reaction that forms an ester from a ketone or a lactone from a cyclic ketone, using peroxyacids or peroxides as the oxidant. [1] The reaction is named after Adolf von Baeyer and Victor Villiger who first reported the reaction in 1899. [1] Baeyer-Villiger oxidation

  5. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.

  6. File:Baeyer's Probe Alkenes V.2.svg - Wikipedia

    en.wikipedia.org/wiki/File:Baeyer's_Probe_Alkenes...

    The following other wikis use this file: Usage on bn.wikipedia.org বেয়ারের পরীক্ষা; Usage on ca.wikipedia.org Permanganat de potassi

  7. Are False Positive Covid Tests Common? Doctors Explain. - AOL

    www.aol.com/false-positive-covid-tests-common...

    A false positive Covid-19 test result can happen, but it’s rare, says Brian Labus, Ph.D., M.P.H., assistant professor at the University of Nevada Las Vegas School of Public Health.

  8. What Really Causes a False Positive COVID-19 Test? Experts ...

    www.aol.com/false-positive-covid-19-test...

    False positive COVID-19 tests—when your result is positive, but you aren’t actually infected with the SARS-CoV-2 virus—are a real, if unlikely, possibility, especially if you don’t perform ...

  9. What should you do if you’re still testing positive for COVID ...

    www.aol.com/news/still-testing-positive-covid-19...

    While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com.

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