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Gold extracted by amalgamation or cyanidation contains a variety of impurities, including zinc, copper, silver, and iron. Two methods are commonly employed for purification: the Miller process and the Wohlwill process. The Miller process is based on the fact that virtually all the impurities present in gold combine with gaseous chlorine more readily than gold does at.

Gemmology-Graduate - Course Deatils.

Courses Program Length Duration(Clock hrs) Fees (In Rs.)Excluding 18% GST
Gemmology Graduate
  • Diamonds
  • Colour Gem Stones
9 Months 865 1,10,000 /-

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