s/n14609784

New Query

Information
has gloss(noun) biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid
alpha-naphthol test, Molisch reaction, Molisch's test, Molisch test
has glosseng: Molisch's Test (named after Austrian botanist Hans Molisch) is a sensitive chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of phenol (usually α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a red- or purple-colored compound.
lexicalizationeng: alpha-naphthol test
lexicalizationeng: Molisch reaction
lexicalizationeng: Molisch test
lexicalizationeng: Molisch's test
subclass of(noun) (chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
indicator
Meaning
German
has glossdeu: Die Molisch-Probe (oder Reaktion nach Molisch) ist ein allgemeiner Kohlenhydratnachweis. Sie geht auf den österreichischen Botaniker Hans Molisch zurück.
lexicalizationdeu: Molisch-Probe
Italian
has glossita: Il test di Molisch è una prova per la determinazione delle aldeidi. Consiste in un’addizione nucleofila del fenolo ad un'aldeide in ambiente disidratante per H2SO4 concentrato. Avviene solo per le aldeidi e per quei frammenti aldeidici derivanti dalla decomposizione di altre molecole (e.g.formaldeide per la decomposizione dell’esametilentetrammina). Viene impiegata anche per il riconoscimento dei fenoli.
lexicalizationita: Test di Molisch
Portuguese
has glosspor: O teste de Molisch é um procedimento químico usado para determinar a presença de hidratos de carbono numa solução.
lexicalizationpor: teste de Molisch
Castilian
has glossspa: La Reacción de Molisch es una reacción que tiñe cualquier carbohidrato presente en una disolución.
lexicalizationspa: Reaccion de Molisch
lexicalizationspa: Reacción de Molisch
Links
similare/Molisch's test
Media
media:imgMolisch test.png

Query

Word: (case sensitive)
Language: (ISO 639-3 code, e.g. "eng" for English)


Lexvo © 2008-2024 Gerard de Melo.   Contact   Legal Information / Imprint