Heteropoly acid | Article about heteropoly acid by The Free Dictionary
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heteropoly acid[‚hed·ə′räp·ə·lē ′as·əd]
Complex acids of metals, whose specific gravity is greater than 4, with phosphoric acid; an example is phosphomolybdic acid.
References in periodicals archive
Summary: TEHRAN (FNA)- Iranian researchers waterproofed building materials with very high efficiency by using the green and noncorrosive heteropoly acid
The difference in the acid strength between heteropoly acids
and typical inorganic acids can be due to the fact that heteropoly anions are large anions bearing high negative charge density than inorganic acids.
Folin-Ciocalteu reagent consists of a yellow acidic solution containing complex polymeric ions formed from phosphomolybdic and phosphotungstic heteropoly acids
The reagent oxidizes the phenolates and reduces the heteropoly acids
, turning the sample blue.