chromic acid

Definitions

  • WordNet 3.6
    • n chromic acid an unstable acid known only in solution and as chromate salts
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Webster's Revised Unabridged Dictionary
    • Chromic acid an acid, H2CrO4, analogous to sulphuric acid, not readily obtained in the free state, but forming well known salts, many of which are colored pigments, as chrome yellow, chrome red, etc.
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Chambers's Twentieth Century Dictionary
    • Chromic acid an acid of chromium, of an orange-red colour, much used in dyeing and bleaching
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Etymology

Chambers's Twentieth Century Dictionary
Gr. chrōmatikoschrōma, colour.

Usage

In literature:

When hydrochloric acid is added to bichromate of potash, chromic acid is liberated.
"Scientific American Supplement, No. 384, May 12, 1883" by Various
Before the blowpipe chromic acid produces the same reactions as the sesquioxide.
"A System of Instruction in the Practical Use of the Blowpipe" by Anonymous
Bichromate of potash with sulphuric acid gives sulphate of potash and chromic acid.
"The Chemistry of Hat Manufacturing" by Watson Smith
Heated with chromic acid solution to 140 deg.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4" by Various
Chromic acid is best used in a watery solution (five per cent chromic acid, ninety-five per cent distilled water).
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
Chromic acid, when used in the form of a solution, has but little action on cellulose.
"The Dyeing of Cotton Fabrics" by Franklin Beech
A subcutaneous injection of one-fourth dram of 1 per cent solution of chromic acid above the wound is also beneficial.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
A saturated solution of chromic acid is also used for the same purposes.
"Practical Taxidermy" by Montagu Browne
He found, however, that chromic acid, which he had represented as CrO6, neutralized a base containing 1/3 the quantity of oxygen.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
C., and is to be regarded as the acid chloride corresponding to chromic acid, CrO2(OH)2.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3" by Various
Chromic acid in sulphuric acid solutions effects a complete oxidation, i.e.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5" by Various
In preparing the solution the sodium salt is preferable to the potassium, and chromic acid to either.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 4" by Various
It precipitates with tannic and phosphotungstic acids but not with picric, acetic, trichloracetic, or chromic acids.
"The Nature of Animal Light" by E. Newton Harvey
Chlorine and nitric acid oxidize it to benzil; chromic acid mixture and potassium permanganate, to benzoic acid and benzaldehyde.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 6" by Various
Chromic acid oxidizes it to acetic acid and ozone oxidizes it to ethyl peroxide.
"Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7" by Various
When dissolved, its action is similar to that of the chromic acid solution.
"Hawkins Electrical Guide, Number One" by Nehemiah Hawkins
Chromic acid consists of hydrogen united to the metal chromium and oxygen.
"Electric Bells and All About Them" by S. R. Bottone
Its solution in glacial acetic acid, by oxidation with chromic acid, yielded a red powdery solid and a fatty acid fusing at 62 deg.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3" by Various
Chromic and nitric acids oxidize it to oxalic acid and carbon dioxide.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1" by Various
Like all electrolytes its presence decreases the adsorption of chromic acid.
"Animal Proteins" by Hugh Garner Bennett
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In news:

Is there a paint suitable for a chromic acid storage tank.
I have a customer that has two tanks that hold chromic acid.
Chromic Acid Anodizing Zone.
I have a customer that has two tanks that hold chromic acid .
We are performing salt spray testing on 2024 and 7075 alloy test panels that have been Type I ( Chromic Acid ) anodized.
Is there a paint suitable for a chromic acid storage tank .
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