chromic oxide
Americannoun
Example Sentences
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Organic acids, ferrous oxide, chromic oxide, ammonium salts, etc., prevent the formation of peroxide and the red color produced by permanganic acid.
From Scientific American Supplement, No. 441, June 14, 1884. 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
It is not due to the presence of chromic acid, but to a reaction between alumina and chromic oxide, which requires an elevated temperature.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various
Chromic anhydride is a very strong oxidizing agent, giving up oxygen and forming chromic oxide: 2CrO3 = Cr2O3 + 3O.
From An Elementary Study of Chemistry by William McPherson
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
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