Chromate salts contain the chromate anion, CrO2−4. Dichromate salts contain the dichromate anion, Cr2O2−7. They are oxyanions of chromium in the +6 oxidation...

Subsequent to its formation, the chromate salt is converted to sodium dichromate, the precursor to most chromium compounds and materials. The industrial route...

containing dichromate ions, a yellow solution is obtained due to the formation of chromate ions (CrO2−4). For example, potassium chromate is produced...

line to be drawn on the predominance diagram. Red line Hydrogen chromate and dichromate have equal concentrations. Setting [HCrO−4] equal to [Cr2O2−7]...

potassium and sodium dichromates are very similar. When treated with lead(II) nitrate, it gives an orange-yellow precipitate, lead(II) chromate. Unlike...

around 30 to 35 degrees C Dichromate and chromate salts are oxidizing agents. For the tanning of leather, sodium dichromate is first reduced with sulfur...

solution consisting of 182 g/L sodium dichromate (Na2Cr2O7 · 2H2O) and 6 mL/L concentrated sulfuric acid. The chromate coating process starts with a redox...

create zinc chromate for use in industry. This process is done by putting zinc or a zinc plated metal in a solution of sodium dichromate and sulfuric acid...

Ammonium dichromate is an inorganic compound with the formula (NH4)2Cr2O7. In this compound, as in all chromates and dichromates, chromium is in a +6...

Chromate or chromat, and their derived terms, may refer to: Chromate and dichromate, ions Monochromate, an ion Trichromate, an ion Tetrachromate, an ion...

lead chromate are known, orthorhombic and the more stable monoclinic form. Monoclinic lead chromate is used in paints under the name chrome yellow, and many...

solution formed by the addition of sulfuric acid to aqueous solutions of dichromate. It consists at least in part of chromium trioxide. The term "chromic...

temperatures dissolves the chromates and leaves the insoluble iron oxide. The chromate is converted by sulfuric acid into the dichromate. 4 FeCr2O4 + 8 Na2CO3...

chloride and sodium chromate, or from strontium carbonate and sodium dichromate. Strontium chromate is approximately 30 times more soluble in water at 100 °C...

sodium dichromate. Sodium chromate is converted into other hexavalent chromium compounds such as chromium trioxide and various salts of chromate and dichromate...

Chromium(VI) compounds are oxidants at low or neutral pH. Chromate anions (CrO2− 4) and dichromate (Cr2O72−) anions are the principal ions at this oxidation...

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...

Ammonium chromate is a salt with the formula (NH4)2CrO4. It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used...

Heating with chlorine and carbon yields chromium(III) chloride and carbon monoxide: Cr 2O 3 + 3 Cl 2 + 3 C → 2 CrCl 3 + 3 CO Chromates salts form by the oxidation...

containing the element chlorine. Chromate Chromate salts contain the chromate anion, CrO2− 4. Dichromate salts contain the dichromate anion, Cr 2O2− 7. They are...

dichromate solution. This is followed by drying and immersion in a 2% aqueous silver nitrate solution. By the same reaction as above, silver chromate...

dichromate) yields the chromate following alkalinisation with caesium hydroxide: Cs2Cr2O7(aq) + 2 CsOH(aq) → 2 Cs2CrO4(aq) + H2O(ℓ) Caesium chromate was...

dichromic acids and chromium trioxide, pyridinium chlorochromate (PCC), and chromate/dichromate compounds such as Sodium dichromate (Na2Cr2O7) Permanganate...

lupenone: With tertiary alcohols, the chromate ester formed from PCC can isomerize via a [3,3]-sigmatropic reaction and following oxidation yield an enone...

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...

is a powerful oxidiser, a mutagen, and a carcinogen. Chromium trioxide is generated by treating sodium dichromate with sulfuric acid: H2SO4 + Na2Cr2O7...

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...

important industrial uses. This chromate can be manufactured as a powder. Before 1940, the literature about magnesium chromate and its hydrates was sparse, but...

of the catalytic mechanism. The active catalyst is often depicted as a chromate ester bound to the silica surface. The mechanism for the polymerization...

Cadmium chromate is the inorganic compound with the formula CdCrO4. It is relevant to chromate conversion coating, which is used to passivate common metal...