In aqueous solutions,Cu(Ⅱ) precipitates with ammonium thiocyanate and tetradecylpyridinium chloride.In the presence of sodium chloride,the precipitate is floated.It shows that Cu(Ⅱ) can be completely separated from ...In aqueous solutions,Cu(Ⅱ) precipitates with ammonium thiocyanate and tetradecylpyridinium chloride.In the presence of sodium chloride,the precipitate is floated.It shows that Cu(Ⅱ) can be completely separated from Fe(Ⅲ),Co(Ⅱ),Ni(Ⅱ),Mn(Ⅱ) and Cd(Ⅱ) by floatation.Besides has the advantages of inorganic solvent floatation,the method is non toxic,simple,rapid and economical.展开更多
The flotation separation behaviour of Zn 2+ with ammonium thiocyanate malachite green water liquid solid system in the presence of sodiun nitrate and the conditions for the separation of Zn 2+ with other metal ions we...The flotation separation behaviour of Zn 2+ with ammonium thiocyanate malachite green water liquid solid system in the presence of sodiun nitrate and the conditions for the separation of Zn 2+ with other metal ions were studied.It is found that Zn 2+ can be separated from Ni 2+ ,Mn 2+ ,Fe 2+ ,Bi 3+ by flotation on certain condition.展开更多
文摘In aqueous solutions,Cu(Ⅱ) precipitates with ammonium thiocyanate and tetradecylpyridinium chloride.In the presence of sodium chloride,the precipitate is floated.It shows that Cu(Ⅱ) can be completely separated from Fe(Ⅲ),Co(Ⅱ),Ni(Ⅱ),Mn(Ⅱ) and Cd(Ⅱ) by floatation.Besides has the advantages of inorganic solvent floatation,the method is non toxic,simple,rapid and economical.
文摘The flotation separation behaviour of Zn 2+ with ammonium thiocyanate malachite green water liquid solid system in the presence of sodiun nitrate and the conditions for the separation of Zn 2+ with other metal ions were studied.It is found that Zn 2+ can be separated from Ni 2+ ,Mn 2+ ,Fe 2+ ,Bi 3+ by flotation on certain condition.