Molisch's test

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
Hypernyms: ↑indicator

Useful english dictionary. 2012.

Look at other dictionaries:

  • 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… …   Wikipedia

  • Molisch reaction — 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 • Syn: ↑alpha naphthol test, ↑Molisch s test,… …   Useful english dictionary

  • Molisch test — 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 • Syn: ↑alpha naphthol test, ↑Molisch s test,… …   Useful english dictionary

  • Molisch test — Mo·lisch test mō lish n a test for carbohydrate (as sugar) in which a reddish violet color is formed by reaction with alpha naphthol in the presence of concentrated sulfuric acid called also Molisch reaction Molisch Hans (1856 1937) German… …   Medical dictionary

  • Molisch test (reaction) — Mo·lisch test (reaction) (moґlish) [Hans Molisch, Czech botanist in Vienna, 1856–1937] see under test …   Medical dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Molisch — Hans, Austrian chemist, 1856–1937. See M. test …   Medical dictionary

  • Molisch reaction — see under test …   Medical dictionary

  • alpha-naphthol test — 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 • Syn: ↑Molisch s test, ↑Molisch test, ↑Molisch… …   Useful english dictionary

  • Chemical test — In chemistry, a chemical test is a qualitative or quantitative procedure designed to prove the existence of, or to quantify, a chemical compound or chemical group with the aid of a specific reagent. A presumptive test is specifically used in… …   Wikipedia


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