• Thumbnail for Chromate and dichromate
    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...
    13 KB (1,230 words) - 13:08, 29 October 2024
  • Chromate or chromat, and their derived terms, may refer to: Chromate and dichromate, ions Monochromate, an ion Trichromate, an ion Tetrachromate, an ion...
    911 bytes (123 words) - 23:29, 3 June 2021
  • Thumbnail for Caesium chromate
    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...
    5 KB (390 words) - 20:50, 12 May 2024
  • Thumbnail for Silver chromate
    Silver chromate is an inorganic compound with formula Ag2CrO4 which appears as distinctively coloured brown-red crystals. The compound is insoluble and...
    14 KB (1,241 words) - 15:30, 23 January 2024
  • Thumbnail for Chromate conversion coating
    Chromate conversion coating or alodine coating is a type of conversion coating used to passivate steel, aluminium, zinc, cadmium, copper, silver, titanium...
    15 KB (1,790 words) - 07:41, 20 August 2024
  • Thumbnail for Potassium chromate
    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...
    6 KB (517 words) - 20:29, 24 April 2024
  • Thumbnail for Lead(II) chromate
    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...
    11 KB (967 words) - 04:04, 6 September 2024
  • Thumbnail for Magnesium chromate
    Magnesium chromate is a chemical compound, with the formula MgCrO4. It is a yellow, odorless, water-soluble salt with several important industrial uses...
    4 KB (366 words) - 09:49, 21 June 2024
  • Thumbnail for Zinc chromate
    Zinc chromate, ZnCrO4, is a chemical compound, a salt containing the chromate anion, appearing as odorless yellow powder or yellow-green crystals, but...
    10 KB (886 words) - 13:17, 17 June 2024
  • Thumbnail for Sodium chromate
    Sodium chromate is the inorganic compound with the formula Na2CrO4. It exists as a yellow hygroscopic solid, which can form tetra-, hexa-, and decahydrates...
    7 KB (580 words) - 16:29, 15 May 2024
  • 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...
    2 KB (186 words) - 19:40, 27 October 2022
  • Thumbnail for Cadmium chromate
    Cadmium chromate is the inorganic compound with the formula CdCrO4. It is relevant to chromate conversion coating, which is used to passivate common metal...
    2 KB (154 words) - 14:23, 10 January 2024
  • Thumbnail for Ammonium chromate
    Ammonium chromate is a salt with the formula (NH4)2CrO4. It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used...
    3 KB (151 words) - 18:46, 25 February 2022
  • Thumbnail for Barium chromate
    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...
    9 KB (1,049 words) - 14:24, 10 January 2024
  • Beryllium chromate is a hypothetical inorganic compound, with the chemical formula of BeCrO4.[citation needed] It is predicted to have a certain bonding...
    3 KB (168 words) - 06:43, 25 September 2023
  • Thumbnail for Chromium
    nutrient. While chromium metal and Cr(III) ions are considered non-toxic, chromate and its derivatives, often called "hexavalent chromium", is toxic and carcinogenic...
    110 KB (11,965 words) - 20:43, 19 October 2024
  • Thumbnail for Strontium chromate
    Strontium chromate is an inorganic compound with the formula SrCrO4. Strontium chromate is prepared from strontium chloride and sodium chromate, or from...
    3 KB (147 words) - 02:01, 4 May 2024
  • Thumbnail for Potassium dichromate
    sodium dichromate. Alternatively, it can be also obtained from potassium chromate by roasting chromite ore with potassium hydroxide. It is soluble in water...
    20 KB (2,034 words) - 14:56, 4 November 2024
  • Thumbnail for Calcium chromate
    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...
    6 KB (399 words) - 14:22, 10 January 2024
  • 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...
    2 KB (114 words) - 14:00, 30 August 2022
  • Thumbnail for Hexavalent chromium
    dichromate. Sodium chromate is converted into other hexavalent chromium compounds such as chromium trioxide and various salts of chromate and dichromate....
    66 KB (7,081 words) - 14:01, 11 November 2024
  • Thumbnail for Oxidizing agent
    transfer (OAT) agent. Examples include MnO− 4 (permanganate), CrO2− 4 (chromate), OsO4 (osmium tetroxide), and especially ClO− 4 (perchlorate). Notice...
    9 KB (875 words) - 16:12, 12 October 2024
  • monoclinic lead(II) chromate ("chrome yellow") which had superior steel-protecting properties compared to other pigments. Due to lead chromate's toxicity, a result...
    6 KB (592 words) - 14:09, 27 June 2024
  • 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...
    14 KB (1,486 words) - 11:16, 28 January 2024
  • Thumbnail for Galvanization
    from reaching the underlying iron. Additional electroplating such as a chromate conversion coating may be applied to provide further surface passivation...
    9 KB (885 words) - 04:55, 28 October 2024
  • Thumbnail for A Sunday Afternoon on the Island of La Grande Jatte
    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...
    22 KB (2,422 words) - 18:37, 8 November 2024
  • Thumbnail for Predominance diagram
    equality conditions, the concentrations of the three species, chromate CrO2−4, hydrogen chromate HCrO−4 and dichromate Cr2O2−7 can be calculated, for various...
    5 KB (607 words) - 13:59, 17 August 2024
  • Thumbnail for Turmeric
    the turmeric with lead chromate: from farmers to merchants selling low-grade turmeric roots to "polishers" who added lead chromate for yellow color enhancement...
    35 KB (3,697 words) - 10:43, 7 November 2024
  • method, named after Karl Friedrich Mohr, potassium chromate is an indicator, giving red silver chromate after all chloride ions have reacted: 2Ag+ (aq) +...
    4 KB (462 words) - 06:39, 12 February 2024
  • Thumbnail for Anodizing
    anodizing and chromate conversion coating is the electrical conductivity of the films produced. Although both stable compounds, chromate conversion coating...
    34 KB (4,392 words) - 09:19, 22 September 2024