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Hydrocyanic   Listen
adjective
Hydrocyanic  adj.  (Chem.) Pertaining to, or derived from the combination of, hydrogen and cyanogen.
Hydrocyanic acid (Chem.), a colorless, mobile, volatile liquid, HCN, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid, hydrogen cyanide, etc.






Collaborative International Dictionary of English 0.48








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"Hydrocyanic" Quotes from Famous Books



... lips and affords a disagreeable taste; but when once thoroughly ripe it has a slightly vinous, sweetish taste and is easily digested. Therapeutically its seeds are used as a diuretic, but large doses should be avoided as they contain a small proportion of hydrocyanic acid. The proper dose is 5-6 mashed seeds in sweetened water. They contain, in addition to the above, a fatty substance ...
— The Medicinal Plants of the Philippines • T. H. Pardo de Tavera

... colloidal-platinum solution calls to mind in many ways that of organic ferments, hence Bredig has called it an "inorganic ferment." This analogy is especially striking in the change of their activity with time and temperature, and in the possibility, by means of bodies like sulphuretted hydrogen, hydrocyanic acid, &c., which act as strong poisons upon the latter, of "poisoning" the former also, i.e. of rendering it inactive. In the case of the catalytic action of water-vapour upon many processes of combustion already mentioned, a part of the effect is probably due to the ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 - "Chtelet" to "Chicago" • Various

... like most of the organic acids, shows a characteristic reaction with ferro and ferrid cyanide of potassium. In the former case no change is perceptible until boiled when a greenish white turbidity appears, with the liberation of small quantities of hydrocyanic acid. In the latter case a trace also of this acid is set free, with the formation of a very distinct green solution, the latter reaction being very perceptible with a few drops of a 1 in 1,000 solution of saccharin in water. Heated with lime, very distinct ...
— Scientific American Supplement, No. 620, November 19,1887 • Various



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