METHOD FOR PRODUCTION OF BISMUTH SILICATE BiSiO CRYSTALLINE COMPOUND POWDER Russian patent published in 2018 - IPC C01G29/00 C01B33/20 B22F9/24 C30B29/34 

Abstract RU 2643563 C1

FIELD: chemistry.

SUBSTANCE: Bi12SiO20 synthesis is carried out by dissolving pentahydrate bismuth nitrate in acetone at a room temperature, adding an organosilicon liquid in the form of a water-alcohol solution of sodium methylsiliconate, stirring for no more than 5 minutes, followed by suspension centrifugation, precipitate washing with distilled water until no traces of Na ions+ and precipitate heat treatment at a temperature of not less than 300°C.

EFFECT: increased manufacturability due to reduction of time and temperature of synthesis, provision of powder surface hydrophobicity, increased symmetry of a crystal.

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RU 2 643 563 C1

Authors

Yastrebinskij Roman Nikolaevich

Pavlenko Aleksej Vyacheslavovich

Cherkashina Natalya Igorevna

Dates

2018-02-02Published

2017-06-13Filed