GOLD from high grade electronic scrap
28.9 هزار بار بازدید -
5 سال پیش
-
High yield transistors, ICs and
High yield transistors, ICs and CPUs are washed in lead/silver bath. Dore is then digested in HNO3 and the gold residue is dissolved in aqua regia. Solution is filtered and gold is precipitated with copperas (ferrous sulphate).
#gold #goldrecovery #goldrefining #owltech
#gold #goldrecovery #goldrefining #owltech
5 سال پیش
در تاریخ 1397/11/26 منتشر شده
است.
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