\▐blaŋk-▐fiks\ n [F] (1866) A synthetic form of barium sulfate prepared by reacting aqueous solutions containing barium ions with others containing sulfate ions and precipitating the reaction product. It is used as a special-purpose filler to impart X ray opacity and high specific gravity. Precipitated barium sulphate is used as a semi-transparent extender in printing inks.
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Gooch, J.W. (2011). Blanc Fixe. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_1371
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