zinc

  1. P

    Why does ZnS doped Ag turn yellow?

    I've been trying to pour a 20ml 0.4M solution of SIlver nitrate into a zinc nitrate solution, but its turning yellowish brown instantly. Why would this happen? I've even changed bottles to prevent contamination, but its still yelllowing out? :confused::confused::confused:
  2. P

    Please Help With An Electrochemical Calculation.

    Hi, Please help me with this, I greatly appreciate any assitance; An electrochemical cell is given, one containing an 0.1M CuSO4 solution and the other one containing an 0.1M ZnSO4 solution. Then, the Cu ion concentration is decreased by adding an Ammonia solution NH4OH into the CuSO4...
  3. A

    how to separate cobalt from a mixture of cobalt and zinc please help

    how to separate cobalt from a mixture of cobalt and zinc please help
  4. A

    Cobalt, iron,nickel,copper,zinc reactions with ligand timolol maleate and others

    hi frends.. I want reaction of following. Cobalt iron zink nickel copper With timolol meleate.