Chromate salts contain the chromate anion, CrO2− 4. Dichromate salts contain the dichromate anion, Cr 2O2− 7. They are oxyanions of chromium in the +6...
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Chromate or chromat, and their derived terms, may refer to: Chromate and dichromate, ions Monochromate, an ion Trichromate, an ion Tetrachromate, an ion...
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Chromate conversion coating or alodine coating is a type of conversion coating used to passivate steel, aluminium, zinc, cadmium, copper, silver, titanium...
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Zinc chromate, ZnCrO4, is a chemical compound, a salt containing the chromate anion, appearing as odorless yellow powder or yellow-green crystals, but...
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Potassium chromate is the inorganic compound with the formula K2CrO4. This yellow solid is the potassium salt of the chromate anion. It is a common laboratory...
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Sodium chromate is the inorganic compound with the formula Na2CrO4. It exists as a yellow hygroscopic solid, which can form tetra-, hexa-, and decahydrates...
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Barium chromate, is a yellow sand like powder with the formula BaCrO4. It is a known oxidizing agent and produces a green flame when heated, a result of...
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A chromate ester is a chemical structure that contains a chromium atom (symbol Cr) in a +6 oxidation state that is connected via an oxygen (O) linkage...
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Lead(II) chromate is an inorganic compound with the chemical formula PbCrO4. It is a bright yellow solid that is very poorly soluble in water. It occurs...
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Silver chromate is an inorganic compound with formula Ag2CrO4 which appears as distinctively coloured brown-red crystals. The compound is insoluble and...
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Beryllium chromate is a hypothetical inorganic compound, with the chemical formula of BeCrO4.[citation needed] It is predicted to have a certain bonding...
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essential. While chromium metal and Cr(III) ions are considered non-toxic, chromate and its derivatives, often called "hexavalent chromium", is toxic and carcinogenic...
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Strontium chromate is an inorganic compound with the formula SrCrO4. Strontium chromate is prepared from strontium chloride and sodium chromate, or from...
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dichromate. Sodium chromate is converted into other hexavalent chromium compounds such as chromium trioxide and various salts of chromate and dichromate....
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Potassium dichromate (redirect from Red potassium chromate)
sodium dichromate. Alternatively, it can be also obtained from potassium chromate by roasting chromite ore with potassium hydroxide. It is soluble in water...
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Calcium chromate is an inorganic compound with the formula CaCrO4, i.e. the chromate salt of calcium. It is a bright yellow solid which is normally found...
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Magnesium chromate is a chemical compound, with the formula MgCrO4. It is a yellow, odorless, water-soluble salt with several important industrial uses...
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Caesium chromate or cesium chromate is an inorganic compound with the formula Cs2CrO4. It is a yellow crystalline solid that is the caesium salt of chromic...
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Chromium toxicity (section Chromate)
allergenic. The carcinogenity of chromate dust has been documented since the late 19th century, when workers in a chromate dye company were found to exhibit...
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Ammonium chromate is a salt with the formula (NH4)2CrO4. It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used...
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transfer (OAT) agent. Examples include MnO− 4 (permanganate), CrO2− 4 (chromate), OsO4 (osmium tetroxide), and especially ClO− 4 (perchlorate). Notice...
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originally bright yellow zinc yellow (zinc chromate) to a brownish color is due to the chemical reaction of the chromate ions to orange-colored dichromate ions...
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anodizing and chromate conversion coating is the electrical conductivity of the films produced. Although both stable compounds, chromate conversion coating...
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Iron(III) chromate is the iron(III) salt of chromic acid with the chemical formula Fe2(CrO4)3. Iron(III) chromate was discovered by Samuel Hibbert-Ware...
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from reaching the underlying iron. Additional electroplating such as a chromate conversion coating may be applied to provide further surface passivation...
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the turmeric with lead chromate: from farmers to merchants selling low-grade turmeric roots to "polishers" who added lead chromate for yellow color enhancement...
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equality conditions, the concentrations of the three species, chromate CrO2−4, hydrogen chromate HCrO−4 and dichromate Cr2O2−7 can be calculated, for various...
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Chromium(III) oxide (redirect from Chromium(III) chromate)
chloride and carbon monoxide: Cr 2O 3 + 3 Cl 2 + 3 C → 2 CrCl 3 + 3 CO Chromates can be formed by the oxidation of chromium(III) oxide and another oxide...
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monoclinic lead(II) chromate ("chrome yellow") which had superior steel-protecting properties compared to other pigments. Due to lead chromate's toxicity, a result...
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Chrome yellow (category Chromates)
precipitates as a fine solid upon mixing lead(II) salts and a source of chromate. Approximately 90,000 tons of chrome yellow are produced annually as of...
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