单词	chromate
释义	chromate /ˈkrəʊmeɪt / noun Chemistry A salt in which the anion contains both chromium and oxygen, especially one of the anion CrO42−.In addition, occupational causes include radon in indoor environments, arsenic, asbestos, chromates, chloromethyl ethers, nickel, polycyclic aromatic hydrocarbons, and other agents.... The film has a fritted structure and is a complex mixture of chemical compounds - mainly zinc ammonium phosphate and chromates. This happened when organic polymers replaced chromates in both external and internal water treatment. Origin Early 19th century: from chromic + -ate1.
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