SU1655905A1
The invention relates to methods for removing sediment of zirconium and hafnium dibutyl phosphates formed during the extraction separation of these elements, and simplifies the process of cleaning the extraction equipment. The precipitate is dissolved in a mixture of aqueous solutions of caustic soda with a concentration of 50-100 g / l and hydrogen …
SU516671A1
SU516671A1 SU1814265A SU1814265A SU516671A1 SU 516671 A1 SU516671 A1 SU 516671A1 SU 1814265 A SU1814265 A SU 1814265A SU 1814265 A SU1814265 A SU 1814265A SU 516671 A1 SU516671 A1 SU 516671A1 Authority SU USSR - Soviet Union Prior art keywords lactic acid hafnium zirconium acid salts product Prior art date 1972-07 …
SU1186233A1
one . A sorbent for extracting transition metal ions from solutions and chromatography on the basis of silica with grafting nitrogen-containing acid groups, characterized in that, in order to increase the selectivity of the sorbent, it contains grafted hydroxamic acid groups of the formula CH2CH2C
SU563405A1
SU563405A1 SU7602310777A SU2310777A SU563405A1 SU 563405 A1 SU563405 A1 SU 563405A1 SU 7602310777 A SU7602310777 A SU 7602310777A SU 2310777 A SU2310777 A SU 2310777A SU 563405 A1 SU563405 A1 SU 563405A1 Authority SU USSR - Soviet Union Prior art keywords oxide ceramic materials fabricating mixture …
Charge for producing fluorinated glass
SU1204588A1 SU843783572A SU3783572A SU1204588A1 SU 1204588 A1 SU1204588 A1 SU 1204588A1 SU 843783572 A SU843783572 A SU 843783572A SU 3783572 A SU3783572 A SU 3783572A SU 1204588 A1 SU1204588 A1 SU 1204588A1 Authority SU USSR - Soviet Union Prior art keywords glass fluoride fluorides earth charge Prior art …