stannic acid

American  

noun

Chemistry.

1. any of the series of acids usually occurring as amorphous powders and varying in composition from H 2 SnO 3 alpha-stannic acid to H 4 SnO 4 .

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Etymology

Origin of stannic acid

First recorded in 1780–90

Example Sentences

The tin sulphide only dissolves; it is filtered off and converted into stannic acid, while the lead sulphide is transformed into sulphate and weighed as such.

From Scientific American Supplement, No. 385, May 19, 1883 by Various

Protoxide of tin takes fire in the flame of oxidation, and burns with flame and some white vapor into tin acid, or stannic acid.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

The tin contained in the stannate is deposited on the cotton in the form of stannic oxide, or, more strictly, stannic acid.

From The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student by Beech, Franklin

The hydroxides of tin and free stannic acid, which are easily liberated from these compounds, possess in very marked degree the power of fixing dyes upon fibers, as explained under aluminium.

From An Elementary Study of Chemistry by McPherson, William

There is also an acid, H2SnO3, called stannic acid, which forms a series of salts called stannates.

From An Elementary Study of Chemistry by McPherson, William