lead chromate


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lead chromate

 (lĕd)
n.
A poisonous yellow crystalline compound, PbCrO4, used as a paint pigment. Also called chrome yellow.

lead chromate

n
(Elements & Compounds) chem a yellow solid used as a pigment, as in chrome yellow. Formula: PbCrO4

lead′ chro′mate

(lɛd)

n.
a yellow crystalline compound, PbCrO4, toxic, insoluble in water.
[1900–05]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lead chromate - a poisonous chromate of lead used as a pigment in paint
chromate - any salt or ester of chromic acid
References in periodicals archive ?
It is interesting to look at the recent (comparable) REACH authorisation for Lead Chromate pigments used in some industrial paints.
Lead chromate pigments have been banned from consumer plastics in Europe since 2015, and users elsewhere are under pressure to find nontoxic alternatives, especially for toys, food-contact applications, and other consumer products.
For example, the REACH regulation in Europe has helped close BASF's lead chromate business.
The ratio of lead to chromium in pure lead chromate would be approximately 4:1 by weight.
The lead chromate sulfate particles are a different story.
Other lead compounds, like vivid yellow lead chromate (PbCrO4), were used as coloured pigments.
Lead chromate, iron oxide, and copper phthalocyanine blue pigments were included in the formulations to prepare yellow, red, and blue coatings, respectively.
Pigment Yellow 34), lead chromate molybdate sulfate red (C.
Lead is also used in car batteries and for the manufacture of paints such as white lead chromate and other pigments.
The company was condemned for allowing workers to spray paint, containing toxic lead chromate, without adequate controls in place, leaving them to breathe in harmful fumes and absorb lead into their blood.
Examples included the use of poisonous lead compounds such as red lead to colour cheese and yellow lead chromate in custard powders and the poison strychnine used as an alternative to hops for bitterness in beer.