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Способ получения фторида скандия из окиси скандия путем дегазации продуктов реакции в вакууме, отличающийся тем, что, с целью повышения извлечения и качества фторида, дегазации при ступенчатом повышении температуры от 200 до 600°C подвергают двойную соль бифторида аммония - фторида скандия, полученную высаливанием из раствора при кислотности 70-100 г/л HCl.The method of obtaining scandium fluoride from scandium oxide by degassing the reaction products in vacuum, characterized in that, in order to improve the extraction and quality of fluoride, degassing with a stepwise temperature increase from 200 to 600 ° C is subjected to a double salt of ammonium bifluoride - scandium fluoride, obtained by salting out solution with an acidity of 70-100 g / l HCl.
SU1014205/02A1965-06-261965-06-26
METHOD OF OBTAINING SCANDIUM FLUORIDE
SU203911A1
(en)
Process for the electrolytic production of potassium permanganate, in particular from potassium manganate, as well as the products in accordance with those obtained by the present process or similar process
Mechanics of the strip drawing process(Characteristics of metal drawing processes based on hypotheses of plane cross sections and deformation zone equilibrium conditions)