研究了NaCl KI 罗丹明B液 固浮选分离镉(Ⅱ)的行为及其与常见离子分离的条件。结果表明,控制pH7.0,当固体NaCl用量为1.0g,0.1mol/LKI溶液和1.0×10-3mol/L罗丹明B溶液的用量分别为1.0mL、1.5mL时,Cd2+可被定量浮选,而Zn2+、Ni2+、M...研究了NaCl KI 罗丹明B液 固浮选分离镉(Ⅱ)的行为及其与常见离子分离的条件。结果表明,控制pH7.0,当固体NaCl用量为1.0g,0.1mol/LKI溶液和1.0×10-3mol/L罗丹明B溶液的用量分别为1.0mL、1.5mL时,Cd2+可被定量浮选,而Zn2+、Ni2+、Mn2+、Co2+、Al3+等离子在此条件下不被浮选,实现了Cd2+与这些离子的定量分离,并对合成水样中微量镉(Ⅱ)进行了定量浮选分离测定。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
文摘研究了NaCl KI 罗丹明B液 固浮选分离镉(Ⅱ)的行为及其与常见离子分离的条件。结果表明,控制pH7.0,当固体NaCl用量为1.0g,0.1mol/LKI溶液和1.0×10-3mol/L罗丹明B溶液的用量分别为1.0mL、1.5mL时,Cd2+可被定量浮选,而Zn2+、Ni2+、Mn2+、Co2+、Al3+等离子在此条件下不被浮选,实现了Cd2+与这些离子的定量分离,并对合成水样中微量镉(Ⅱ)进行了定量浮选分离测定。
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.