phosphotungstic pigment

phosphotungstic pigment

[¦fä·sfō′təŋ·stik ′pig·mənt]
(organic chemistry)
A green or blue pigment prepared by precipitating solutions of phosphotungstic or phosphomolybdic acid with malachite green, Victoria blue, and other basic dyestuffs; used in printing inks, paints, and enamels. Also known as tungsten lake.
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