Chromates and dichromates are used in chrome plating to protect metals from corrosion and to improve paint adhesion. Chromate and dichromate salts of heavy metals, lanthanides and alkaline earth …

Sep 15, 2025 · Chromate (2-) is a chromium oxoanion resulting from the removal of two protons from chromic acid. It has a role as an oxidising agent. It is a divalent inorganic anion and a chromium …

Chromating involves using mixtures of chromic acid and additives to create chromate systems. These react with metals to form stable, complex chromate compounds. This process produces a thin, …

What is Chromate? Chromates are the salts of chromic acid which contains the chromate anion with the chemical formula CrO42– and usually have an intense yellow color.

Jan 7, 2026 · The chromate ion (\ (\text {CrO}_4^ {2-}\)) is a polyatomic anion where chromium exists in its highest possible oxidation state of \ (+6\). This state is commonly referred to as Hexavalent …

Jan 18, 2024 · Chromate is a chemical compound with one chromium atom and four oxygen atoms, while dichromate is a chemical compound with two chromium atoms and seven oxygen atoms.

Dec 8, 2016 · The meaning of CHROMATE is a salt of chromic acid.

Chromate is a type of inorganic salt containing chromic acid consisting of chromate ion (anions). It can be distinguishable by its specific yellowish colour. In addition to that, the oxidation state of chromate …

Chromate salts contain the anion CrO42-, while dichromate salts contain the dichromate anion, Cr2O72-. Both classes of compounds contain chromium in the oxidation state +6--hexavalent chromium--and …

chromate mineral, any member of a small group of rare inorganic compounds that have formed from the oxidation of copper-iron-lead sulfide ores containing minor amounts of chromium.