Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Electrolytes > Ions > Anions Terms and Definitions

Anions

Medical Definition:	Negatively charged atoms, radicals or groups of atoms which travel to the anode or positive pole during electrolysis.
Guide Notes:	GEN or unspecified; prefer specifics

Anions Categories.

	Cyanides - Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.
	Fluorides - Inorganic salts of hydrofluoric acid, HF, in which the fluorine atom is in the -1 oxidation state. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Sodium and stannous salts are commonly used in dentifrices.
	Iodates - Inorganic salts of iodic acid (HIO3).
	Iodides - Inorganic binary compounds of iodine or the I- ion.
	Nitrates - Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.
	Nitrites - Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed)
	Oxides - Binary compounds of oxygen containing the anion O(2-). The anion combines with metals to form alkaline oxides and non-metals to form acidic oxides.
	Phosphates - Inorganic salts of phosphoric acid.
	Phosphites - Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed)
	Sulfates - Inorganic salts of sulfuric acid.
	Sulfides - Chemical groups containing the covalent sulfur bonds -S-. The sulfur atom can be bound to inorganic or organic moieties.
	Sulfites - Inorganic salts of sulfurous acid.
	Vanadates - Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.

Anions Medical Definitions and Terms

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