Effect of various extractive systems (triisoamyl phosphate/HF+H2SO4, n-octanol/HF+H2SO4, n-octanol/HF+HNO3) used to obtain potassium heptafluorotantalate from plumbomicrolite-based raw materials on the purity and characteristics of sodium-reduced tantalum powders was studied. Application of the extractive systems provides production of high-purity potassium heptafluorotantalate from raw materials based on products formed in processing of the plumbomicrolite concentrate.
Russian Journal of Applied Chemistry – Springer Journals
Published: Aug 14, 2012
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