stannic oxide

American  

noun

Chemistry.

1. a white, amorphous, water-insoluble powder, SnO 2 , used chiefly in the manufacture of ceramic glazes and glass, and of polishing powders for metal, glass, and marble.

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Etymology

Origin of stannic oxide

First recorded in 1840–50

Example Sentences

Wash with hot water, dry, ignite, and weigh as stannic oxide, SnO2.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

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

After standing about twelve hours in a covered beaker the precipitate was filtered off and the tin weighed as stannic oxide.

From Scientific American Supplement, No. 829, November 21, 1891 by Various

The substance contains the tin as stannic oxide, SnO2, and the phosphorus as phosphoric oxide, P2O5.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

This will bring his result, if calculated as stannic oxide, to 80.9 lbs. to the ton; which agrees with the others.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius