METHOD OF EXTRACTANT PREPARING FOR STRONTIUM EXTRACTION Russian patent published in 1996 - IPC

Abstract SU 1823458 A1

FIELD: inorganic chemistry, metals. SUBSTANCE: solution of O-n-alkyl-(C₈-C₁₀)-phenylphosphonic acid of the formula C₆H₅P--(O)(OR)(OH) where R - n-alkyl-(C₈-C₁₀), is treated with concentrated sulfuric acid at 15-30 C followed by contacting of product obtained with 1M sulfuric acid solution containing zirconium sulfate in hydrocarbon solvent at molar ratio zirconium salt and O-n-alkyl-(C₈-C₁₀)-phenylphosphonic acid = 1:6. EFFECT: improved method of extractant preparing. 5 tbl

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SU 1 823 458 A1

Authors

Mukhin I.V.

Shesterikov V.N.

Smelov V.S.

Lapteva L.N.

Dates

1996-08-20—Published

1990-11-20—Filed