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chromate
chromate Chromatics. (ˈkrəʊmeɪt) [f. chromium or chrom-ic + -ate4.] A salt of chromic acid; e.g. chromate of lead, PbCrO4, much used as a yellow pigment. The chromates containing one equivalent of the acid, are called neutral chromate, normal chromate, mono-chromate, or meta-chromates. Chromates wit...
Oxford English Dictionary
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Chromate
Chromate or chromat, and their derived terms, may refer to:
Chemistry
Chromate and dichromate, ions
Monochromate, an ion
Trichromate, an ion
Tetrachromate , an ion
Chromate conversion coating, a method for passivating metals
Biology
Monochromacy (monochromate) having one color vision
Dichromatism (dichromate
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Strontium chromate
Strontium chromate is an inorganic chemical compound with the formula . Preparation
Strontium chromate is prepared from strontium chloride and sodium chromate, or from strontium carbonate and sodium dichromate.
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Silver chromate
chromate with silver nitrate). – the silver chromate will precipitate out of the aqueous reaction mixture:
2 + → 2 +
This occurs as the solubility of silver chromate is very
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Zinc chromate
Zinc chromate, ZnCrO4, is a chemical compound containing the chromate anion, appearing as odorless yellow powder or yellow-green crystals, but, when used Because of its toxicity the use of zinc chromate has greatly diminished in recent years.
References
chromate
zinc
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Cadmium chromate
Cadmium chromate is the inorganic compound with the formula CdCrO4. Chromate species take on their distinctive yellow color when coated.
References
Cadmium compounds
Chromates
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Caesium chromate
Caesium chromate or cesium chromate is an inorganic compound with the formula Cs2CrO4. Therein, caesium vapour was produced by reaction of caesium chromate with silicon, boron, or titanium as reducing agents.
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Ammonium chromate
Ammonium chromate is a salt with the formula (NH4)2CrO4. It is often used in photography, textile printing, and fixing chromate dyes on wool.
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PDF Chromate-free, environment-friendly GALVANIZED STEEL SHEETS - KOBELCO
1 Environment-friendly, complete chromate-free Kobe Steel commercialized the world first chromate-free galvanized steel sheet in 1998, and today all the galvanized steel sheets are chromate-free.
www.kobelco.co.jp
Beryllium chromate
Beryllium chromate is a hypothetical inorganic compound, with the chemical formula of BeCrO4. Claims
Beryllium chromate is claimed to be obtained from the reaction of beryllium hydroxide and chromium trioxide:
Be(OH)2 + CrO3 → BeCrO4 + H2O
The
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Sodium chromate
Sodium chromate is the inorganic compound with the formula Na2CrO4. Sodium chromate is a strong oxidizer.
See also
Chromate and dichromate
Safety
As with other Cr(VI) compounds, sodium chromate is carcinogenic.
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Barium chromate
Hashemite was found to be an isostructural chromate analog of baryte, BaSO4. Using zinc chromate as a standard, it was discovered that barium chromate is both genotoxic and cytotoxic.
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Magnesium chromate
Magnesium chromate is a chemical compound, with the formula MgCrO4. This chromate can be manufactured as a powder.
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Chromate ester
Chromate esters of allyl alcohols may isomerize via formal [3,3]-sigmatropic shift to give rearranged enone products. An example of an isolable chromate ester is ((CH3)3CO)2CrO2.
References
Chromates
Esters
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Potassium chromate
Potassium chromate is the inorganic compound with the formula K2CrO4. This yellow solid is the potassium salt of the chromate anion. Occurrence
Tarapacaite is the natural, mineral form of potassium chromate.
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