Title: Separation of ruthenium(III) by ammonium thiocyanate-n-propyl alcohol extraction system in the presence of ammonium sulphate
Abstract: A study on liquid-liquid extraction of Ru(Ⅲ) based on ammonium thiocyanate-n-propyl alcohol in the presence of ammonium sulphate has been performed. It shows that the charged compound Ru(SCN)_4~- can be easily extracted into the n- propyl alcohol phase. The extraction rate of Ru(Ⅲ)reaches the 99.98% when the concentration of (NH_4)_2SO_4, NH_4SCN and n-propyl alcohol in system is 0.20 g/mL,0.015 mmol/mL and 0.30 mL/mL, respectively.Ru(Ⅲ)could be separated completely from Cr(Ⅲ)、Mn(Ⅱ)、Ni(Ⅱ)、Al(Ⅲ)、Fe(Ⅱ) at pH4.5.
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
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