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Acids

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Acids

 

chemical compounds containing hydrogen that can be replaced by a metal to form salts and dissociating when dissolved in water to form H+ ions (protons) or, more accurately, hydronium ions, H3O+. According to current ideas certain compounds that do not contain hydrogen are also included in the acid group.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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The different acids contained in roasted or green coffee can be categorized according to different preferences.
Acids in coffee
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Influence of organic acid and amino acid on cadmium and lead desorption from soil
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This observation indicated the presence of a COOH group in the unknown because carboxylic acids are readily esterified in either methanolic HCl or BSTFA.
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Statistical significance of differences among concentrations of fatty acids in different plant tissues or at different stages was computed by analysis of variance through the general linear model (GLM) and Duncan's multiple range test.
Spatial and temporal expression of mutations for high oleic acid and low linolenic acid concentration in Ethiopian mustard
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