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Bismuth oxynitrate is the name applied to a number of compounds that contain Bi3+, nitrate ions and oxide ions and which can be considered as compounds formed from Bi2O3, N2O5 and H2O.
B 1887 (OTTO) Bismuth subnitrate, GR 99% Cas 1304-85-4 - used in Ceramic glazes and enamel fluxes.