Which melhods are usually employed for purifying the following metals : (i) Nickel (ii) Germanium

Which melhods are usually employed for purifying the following metals : (i) Nickel (ii) Germanium
Which melhods are usually employed for purifying the following metals : (i) Nickel (ii) Germanium
Which melhods are usually employed for purifying the following metals : (i) Nickel (ii) Germanium
Which melhods are usually employed for purifying the following metals : (i) Nickel (ii) Germanium

Germanium