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