chromic oxide
Americannoun
Example Sentences
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Much of the material mined as ore does not contain more than 40 to 50% of chromic oxide.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various
Chrome iron ore, however, and ignited chromic oxide are insoluble; and the former presents considerable difficulty on attempting to open up by the usual methods.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer
Thus Sainte Claire Deville prepared it as a very hard substance of steel-grey colour, capable of taking a high polish, by strong ignition of chromic oxide and sugar charcoal in a lime crucible.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various
The substance is chromic oxide, Cr2O3, and contains 68.62 per cent. of chromium.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer
Toning and Intensifying.—The carbon proofs can be toned and at the same time intensified by reagents acting with chromic oxide.
From Photographic Reproduction Processes by Peter C. Duchochois
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