heteropoly acids

heteropoly acids

English-Ukrainian analytical chemistry dictionary. 2013.

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  • Heteropoly acid — A heteropoly acid is a class of acid made up of a particular combination of hydrogen and oxygen with certain metals and non metals. This type of acid is frequently used as a re usable acid catalyst in chemical reactions.To qualify as a heteropoly …   Wikipedia

  • heteropoly acid — noun : any of a large group of complex oxygen containing acids derived from two or more different inorganic acids by elimination of water from two or more molecules of the acids; especially : an acid regarded as formed by combination of several… …   Useful english dictionary

  • heteropoly- — combining form Etymology: International Scientific Vocabulary heter + poly : containing several groups or ions of different acid forming elements in names of complex inorganic acids and their salts heteropolymolybdates such as phosphomolybdates… …   Useful english dictionary

  • coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

  • Phosphotungstic acid — Chembox new Name = Phosphotungstic acid ImageFile = Phosphotungstate 3D polyhedra.png ImageName = Structure of the phosphotungstate anion OtherNames = PTA, TPA, tungstophosphoric acid Section1 = Chembox Identifiers CASNo = 12067 99 1 Section2 =… …   Wikipedia

  • Compounds of oxygen — Water (H2O) is the most familiar oxygen compound The oxidation state f oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds containing oxygen in other oxidation… …   Wikipedia

  • Hypothetical types of biochemistry — are forms of biochemistry speculated to be scientifically viable but not proven to exist at this time. While the kinds of living beings we know on earth commonly use carbon for basic structural and metabolic functions, water as a solvent and DNA… …   Wikipedia

  • Tungsten — (pronEng|ˈtʌŋstən), also known as wolfram (IPA|/ˈwʊlfrəm/), is a chemical element that has the symbol W and atomic number 74.A steel gray metal, tungsten is found in several ores, including wolframite and scheelite. It is remarkable for its… …   Wikipedia

  • polyacid — I. |pälē+ noun Etymology: International Scientific Vocabulary poly + acid 1. : an acid (as phosphoric acid) having more than one acid hydrogen atom 2. : a complex acid of the group of isopoly or heteropoly acids II. adjective 1 …   Useful english dictionary

  • isopoly acid — noun Any of several complex oxyacids containing atoms of one or more metals; they form heteropoly acids in combination with non metallic compounds …   Wiktionary

  • phosphomolybdic acid — “+... noun Etymology: International Scientific Vocabulary phosph + molybdic : any of several heteropoly acids obtainable from solutions of phosphoric acid and molybdic acid and used chiefly as precipitants (as for alkaloids and for basic dyes for …   Useful english dictionary

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