Dictionary,Defintion,Meaning,What is Cobalt Potassium nitrite,Collimator,Cobalt oxide,Common salt,Coordinate bond,Constantan,Complexometry,Complex

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Home >> Inorganic Chemistry Dictionary >> Cobalt Potassium Nitrite, Collimator

Your Ad Here	Cobalt oxide CoO, a grayish brown powder that decomposes at 1935°C, insoluble in water; used s a colourant in ceramics and in manufacture of glass. Cobalt potassium nitrite K3Co(NO2)6, a yellow powder which decomposes at the melting point of 200°C; used in medicine and as a yellow pigment. Also known as cobalt yellow; Fisher’s salt; potassium cobaltnitrite
Cobalt trifluoride CoF3. A brownish powder that reacts with water to form a precipitate of cobaltic hydroxide; used as fluorinating agent. Also known a cobaltic fluoride. Cobaltous bromide CoBr2.6H2O, red-violet crystals with a melting point of 47-48°C; soluble in water, alcohol, and ether; used in hygrometers. Also known as cobalt bromide
Cobaltous chloride CoCl2 or CoCl2.6H2O, a compound whose anhydrous form consists of blue crystals and sublimes when heated, and whose hydrated form consists of red crystals and metals at 86°C; both forms are used as an absorbent for ammonia in dyes and as a catalyst. Also known as cobalt chloride. Cobaltous fluorosilicate CoSiF6-H2O, a water soluble, orange-red powder, used in toothpastes. Complexometry. Technique for direct or indirect analytical determination of elements or compounds by measuring the soluble complex formed.	Your Ad Here
Collimator an arrangement for producing a parallel beam of radiation for use in a spectrometer or other instrument. A system of lenses and slits in utilized. IMAGES Colorimetry an analytical technique which is based on the determination of the concentration of a substance from the intensity of solution colouration (more accurately, from the intensity of light absorption). The intensities are determined visually or by using calorimeters.
	Columbium a former name for the element niobium. Combustion a chemical reaction in which addition of oxygen results in the production of heat and or light. Common salt commercial name for NaCl. Composities plastic matrix reinforced by fibres, e.g., glass, graphite, boron, etc. Used in space crafts, air craft, car components, etc.

Complex
a type of compound in which molecules or ions form coordinate bonds with a metal atom or ion.

Constantan
an alloy having an electrical resistance that varies only very slightly with temperature (over a limited range around normal room temperatures). It consists of copper (50-60%) and nickel (40-50%) and is used in resistance wire, thermocouples, etc.

Coordinate bond
the linkage of two atoms by a pair of electrons, being provided by one of the atoms (the donor). The coordinate bond is formally identical with the covalent bond. An atom capable of accepting the electrons is the acceptor, the molecule donating the electrons is the donor or ligand.

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