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Polymorphy of Bismuth Trioxide

Abstract

FROM thermal analyses, Guertler1 concluded that bismuth trioxide, Bi2O3, existed in two forms, one stable above 704° C. and one stable below this temperature. He was not able to prepare the high-temperature modification even by quenching.

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References

  1. Guertler, W., Z. anorg. Chem., 37, 222 (1903).

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  2. Sillén, L. G., Ark. Kemi, Min. Geol., 12, A, No. 18 (1937): and Diss. Stockholm (1940).

  3. Schumb, W., and Rittner, E., J. Amer. Chem. Soc., 65, 1055 (1943).

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AURIVILLIUS, B., SILLÉN, L. Polymorphy of Bismuth Trioxide. Nature 155, 305–306 (1945). https://doi.org/10.1038/155305a0

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