Difference between revisions of "Phosphotungstic pigment"
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tungsten lake; phosphotungstic acid bases | tungsten lake; phosphotungstic acid bases | ||
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | * R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | ||
Revision as of 13:54, 1 May 2016
Description
A brilliant blue or green pigment. Phosphotungstic pigments were first made in Germany about 1910 and patented in 1914. They are made by precipitating a basic dye with phosphotungstic acid. This produces a pigment with good lightfastness, although some phosphotungstic pigments may bleed. They are used in printing inks, paints, and enamels. They are not approved for permanent painting.
Synonyms and Related Terms
tungsten lake; phosphotungstic acid bases
Sources Checked for Data in Record
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993