| 释义 |
lead chromate
\ˈled-\ noun
: a chromate of lead: as
a. : the poisonous normal salt PbCrO4 that occurs naturally as the mineral crocoite, that is obtained synthetically as a yellow crystalline powder by precipitation from a solution of a lead compound and sodium chromate or sodium dichromate, and that is used as a pigment either alone or in admixture with other compounds : chrome yellow
b. : a poisonous basic salt Pb2OCrO4 or a mixture of chromates containing it that is used as a reddish yellow to orange to red pigment — compare chrome orange, chrome red |