Process for the preparation of pigmentary bright primrose yellow

Details Process for the preparation of pigmentary bright primrose yellow Process for the preparation of pigmentary bright primrose yellow

1977-05-09

1978-09-19

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

423593, C09C 100

Patent

active

041151410

ABSTRACT:
Process for the preparation of pigmentary primrose yellow bismuth vanadate by reacting bismuth nitrate with an alkali vanadate under controlled conditions to obtain a bismuth vanadate gel which is then subjected to aqueous digestion to produce pigmentary monoclinic bismuth vanadate.

REFERENCES:
H. E. Swanson et al., Standard X-Ray Diffraction Powder Patterns, National Bureau of Standards Report, No. 7592, Aug. 1962.
R. S. Roth et al., Synthesis and Stability of Bismutotantalite, Stibiotantalite and Chemically Similar ABO.sub.4 Compounds, The American Mineralogist, vol. 48, (Nov.-Dec. 1963), pp. 1348-1356.
I. M. Gottlieb et al., Preparation and Thermal Properties of Bismuth Orthovanadate, Thermal Analysis, vol. 2, Proceedings Third ICTA DAVOS 1971, pp. 303-311.
I. M. Gottlieb and D. P. Kelly, Further Studies on the Preparation and Thermal Properties of Bismuth Orthovanadate, Thermal Analysis, vol. 1, Proceedings Fourth ICTA Budapest, (1974), pp. 675-679.

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