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cyanide
cyanide , chemical compound containing the cyano group , -CN. Cyanides are salts or esters of hydrogen cyanide (hydrocyanic acid, HCN) formed by replacing the hydrogen with a metal (e.g., sodium or potassium) or a radical (e.g., ammonium or ethyl). The most common and widely used cyanides are... Read more |
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Superfund
Superfund Superfund is a term used for the monies available to the U.S. Environmental Protection Agency (EPA) to clean up abandoned or inactive hazardous waste sites. Such sites may involve soil and/or groundwater contamination, and are often contaminated with heavy metals, such as arsenic,... Read more |
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Cyanides
Cyanide ¦ JUDSON KNIGHT The prospects for an intelligence operative captured by enemy forces are grim. Soldiers and other war fighters have recourse to Geneva Convention protocols concerning treatment, but personnel working in intelligence and covert operations are... Read more |
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edetate
edetate (ee-di-tayt) n. a salt of the compound ethylenediaminetetraacetic acid (EDTA), used as a chelating agent in the treatment of poisoning. dicobalt e. an antidote to cyanide, administered by intravenous injection as soon as possible after poisoning. sodium calcium e. a drug administered by... Read more |
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cesium
cesium [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.9054; m.p. 28.4°C; b.p. 669.3°C; sp. gr. 1.873 at 20°C; valence +1. Cesium is a ductile, soft-as-wax, silver-white metallic element. It is in Group 1 of the periodic table . An alkali metal ,... Read more |
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laetrile
laetrile , name given to the chemical amygdalin, a substance derived from an extract of the kernels of many fruits, notably apricots, bitter almonds, and peaches. The idea that laetrile might selectively destroy cancer cells was developed by Dr. Ernst T. Krebs, Sr., a German immigrant to the United... Read more |
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tear gas
tear gas gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfare and as a means for dispersing mobs. Compounds that cause lacrimation (watering of the eyes) include bromoacetone, benzyl bromide,... Read more |
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suffocation
suffocation is a general term denoting a death brought about by a reduction of the oxygen content in inspired air. It is one cause of hypoxia. Smothering is often classified as a type of suffocation, in which air, and therefore oxygen, are prevented from reaching the lungs by obstructing the nose... Read more |
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Physiologist
Physiologist Physiologists study the functions and activities of organisms—the way plants and animals are designed as well as how they interact with their environment. This includes functions and activities at the cellular and molecular level, both under normal and ... Read more |
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Copper (Cu)
copper metallic chemical element; symbol Cu [Lat. cuprum =copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4°C; b.p. 2,567°C; sp. gr. 8.96 at 20°C; valence +1 or +2. Copper and some of its alloys have been used by humanity since the Bronze Age . One of the first metals known to humans,... Read more |
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