WebApr 16, 2015 · E. Lokshin, O. Tareeva, I. Elizarova Chemistry Russian Journal of Applied Chemistry 2013 It is shown that an increase in the recovery of rare earth elements in … WebRUSSIAN JOURNAL OF APPLIED CHEMISTRY Vol. 76 No. 1 2003 SOLUBILITY OF CALCIUM SULFATE DIHYDRATE IN NITRIC ACID 157 the low residual concentration of calcium ions in
Treatment of fluorophosphate rare earth concentrate
WebO. A. Tareeva. This paper summarizes the findings of the research aimed at the development of a new method for the integrated processing of naturally occurring and … WebSep 28, 2007 · Solubility of yttrium, praseodymium, neodymium, and gadolinium sulfates in the presence of sodium and potassium ions and the composition of solid phases were studied at 20°C in relation to the concentration of acids in sulfuric acid, phosphoric acid, and sulfuric-phosphoric acid solutions containing up to 36 wt % H2SO4 and 33.12 g 1−1 H3PO4. how much sugar in sherbet
Corpul pulmonar cronic: punctul de vedere al cardiologilor
WebTareeva, E E Publication Date: Mon Aug 14 00:00:00 EDT 1967 Research Org.: Inst. of High Pressure Physics, Moscow OSTI Identifier: 7201067 Resource Type: Journal Article Journal Name: Phys. Lett., A Additional Journal Information: Journal Volume: 25 Country of Publication: United States WebNov 4, 2024 · This paper summarizes the findings of the research aimed at the development of a new method for the integrated processing of naturally occurring and anthropogenic rare-earth raw materials based on the decomposition of rare-earth element (REE) concentrates in the presence of sulfocationite. Sorption and desorption of REE cations on a strongly … WebMay 1, 2013 · O. A. Tareeva I. R. Elizarova Effect of type and consumption of fluorine reagents (HF, NH4F·HF, NH4F and NaF) on the deposition of rare earth elements from the wet-process phosphoric acid of the ... men\u0027s better sweater patagonia