METHOD OF OBTAINING POWDERS OF OXIDE LITHIUM-TUNGSTEN BRONZES Russian patent published in 2014 - IPC C01G41/00 C22C29/12 

Abstract RU 2534149 C2

FIELD: chemistry.

SUBSTANCE: invention can be applied in the chemical industry. Powders of oxide lithium-tungsten bronzes are obtained in heating of an initial composition, which includes tungsten (VI) oxide and lithium tungstate, to temperatures of 570-600°C, 30-minute exposure with further increase of the temperature to 650-700°C and 1-hour exposure. The composition additionally contains lithium tetraborate and metal tungsten powder with the following component ratio, wt %: Li2WO4 - 30-66; Li2B4O7 - 7-24; WO3 -20-34; W - the remaining part.

EFFECT: claimed method makes it possible to obtain highly-disperse powders of oxide lithium-tungsten bronzes without vacuuming the reaction zone at relatively low temperatures.

7 ex

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RU 2 534 149 C2

Authors

Shurdumov Murat Barasbievich

Shurdumov Gazali Kasbotovich

Shurdumov Barasbi Kasbotovich

Shurdumov Anzor Barasbievich

Shurdumov Azamat Barasbievich

Dates

2014-11-27Published

2012-06-06Filed