chromate
Speech parts
1. chromate - Noun
2. chromate - Verb
Meaning
A salt of chromic acid.
Source: Webster's dictionarySynonyms
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Examples
Barceloux & Barceloux 1999 In 1890, Newman described the elevated cancer risk of workers in a chromate dye company.
A very important chromate pigment, which was used widely in metal primer formulations, was zinc chromate, now replaced by zinc phosphate.
Both methods normally use acidic chromate or dichromate solutions.
In the chromate conversion coating process, the strong oxidative properties of chromates are used to deposit a protective oxide layer on metals like aluminium, zinc and cadmium.
Other pigments based on chromium are, for example, the bright red pigment chrome red, which is a basic lead chromate (PbCrO 4 ·Pb(OH) 2 ).
The chromate is converted by sulfuric acid into the dichromate.