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 ?
The gaseous combustion product were first passed over heated copper oxide and lead chromate then led into the absorption train.
Examples include red lead, chrome yellow (lead chromate), and moly orange.
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.
Lead chromate, PbCr[O.sub.4], also known as chrome yellow, was a standard plastic colorant in the era in which these toys were made.
Originally, the paints consisted of a mixture of lead chromate, sulfate, and chromate sulfate particles in a linseed oil matrix.
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.
On 7 July, the ECHA launched a public consultation on its draft recommendation of eight substances to be included in the authorisation list (Annex XIV of the REACH Regulation): diisobutyl phthalate (DIBP), diarsenic trioxide, diarsenic pentaoxide, lead chromate, lead sulfochromate yellow (C.I.