😀👍♻️Gold Recovery From IC Chips that is separated from the old circuit board.@MakeGold
1. IC chip that is separated from the old circuit board
2. Sulfuric acid boil with 90 ° C chip ic
3. Separate the gold wire and clean
4. Gold wire from IC chip
5. Melt gold wire
C chips gold recovery from old circuit board scrap use sulfuric acid
