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Citation: WEN Xin-Rong. Flotation Separation of Lead(Ⅱ) by Sodium Nitrate-Ammonium Thiocyanate-Cetyltrimethyl ammonium Chloride-Water System[J]. Chinese Journal of Applied Chemistry, ;2003, 20(2): 171-174. shu

Flotation Separation of Lead(Ⅱ) by Sodium Nitrate-Ammonium Thiocyanate-Cetyltrimethyl ammonium Chloride-Water System

WEN Xin-Rong ^,

1.
Department of Chemistry, Jiaying College, Meizhou 514015

Corresponding author: WEN Xin-Rong,
Received Date: 25 May 2002
Available Online: 14 November 2002

The flotation separation of Pb(Ⅱ) from other metal ions by a system containing sodium nitrate, ammonium thiocyanate, cetyltrimethyl ammonium chloride(CTMAC) and water has been studied. The results showed that in the system consisted of 1.0 g NaNO₃, 0.5 mL NH₄SCN(0.1 mol/L) and 1.0 mL CTMAC(0.01 mol/L) at pH=6.0, Pb²⁺ could be floated and separated from the Zn²⁺, Cu²⁺, Cd²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺ and Al³⁺ mixture in solution.
- lead(Ⅱ),
- flotation separation,
- ammonium thiocyanate,
- cetyltrimethyl ammonium chloride
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