telluric acid

noun

Chemistry.

1. a white, toxic, crystalline compound, H 6 TeO 6 , slightly soluble in cold water, soluble in hot water and alkalis: used as an analytical agent.

telluric acid

noun

1. a white crystalline dibasic acid produced by the oxidation of tellurium by hydrogen peroxide. Formula: H 6 TeO 6

Word History and Origins

Origin of telluric acid¹

First recorded in 1835–45

Example Sentences

Different modifications may separate and exist side by side at one and the same time from a solution; e.g. telluric acid forms cubic and monoclinic crystals from a hot nitric acid solution, and ammonium fluosilicate gives cubic and hexagonal forms from aqueous solutions between 6� and 13�.

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If the telluric acid be placed upon platinum wire in the reduction flame, the oxidation flame is colored green.

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The oxide of tellurium and telluric acid gives a clear bead when it is hot, but white after it is cooled.

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Telluric acid produces the same reactions with the blowpipe reagents as tellurous acid.

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Telluric Acid.—If the flame of reduction is directed upon a small piece of the oxide of tellurium placed upon charcoal, a bright green color is produced.

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