METHOD FOR PRODUCING BiGeO BISMUTH GERMANATE BY CASTING Russian patent published in 2021 - IPC C30B28/00 C30B29/32 C01G29/00 C01G17/00 

FIELD: chemistry.

SUBSTANCE: invention relates to the field of obtaining Bi₄Ge₃O₁₂ bismuth germanate for use as a starting material for growing pure and defect-free single crystals, in gamma spectroscopy, in the nuclear industry, in high-energy technology, in medicine, opto- and acoustoelectronics, high-energy physics. The method for producing Bi₄Ge₃O₁₂ bismuth germanate by casting includes preliminary mechanical mixing of the initial powders of Bi₂O₃ bismuth oxide and GeO₂ germanium oxide, heating the resulting mixture in a platinum crucible to 1200-1250°C with holding in this temperature range for 15-60 minutes, after which the resulting melt is poured onto a platinum substrate heated to 250±20°С.

EFFECT: invention ensures the production of pure bismuth germanate while reducing the time spent on its production.

1 cl, 5 dwg