Gold From Gold Corner BGA IC Chips Redo part 1

Описание: Here I redo a recent experiment with wet ashing gold corner BGA chips to see what went wrong in an earlier video and why I got such a low yield. I incorporate some of the many viewer suggestions and criticisms generated by that earlier video. Will your suggestions help me do better? Watch to find out. Please visit http://mdpub.com/UrbanGoldMining/inde... for more information.

My PayPal Tip Jar: https://paypal.me/MyTipJar64

Chemicals used in these videos:
Nitric Acid: https://xelexo.net/index.php?main_pag...
Custom Building Products Sulfamic Acid https://amzn.to/3lc3aSy
Hi-Yield Iron Sulfate (4 lbs.) https://amzn.to/3p788RA
Bonide 1-Pound Granules Stump-Out, 4 Pack https://amzn.to/2Vlty1y
Sulfuric Acid Drain Opener, 32 fl oz (2) https://amzn.to/3iX7Hpc
Tin Shot (1 Pound | 99.9+% Pure) Raw Tin Metalhttps://amzn.to/3fclLKl
Easy Peasy Urea Fertilizer https://amzn.to/38q5Xjx

Equipment and supplies used in these videos:
Refining Precious Metal Wastes by C. M Hoke https://amzn.to/3oNtvr0
Compact 8lb Magnetic Pickup Tool with Quick Release https://amzn.to/3VjQjwO
3pcs Glass Graduated Beaker Set 500ml, 1000ml, 2000ml https://amzn.to/3faaHO3
12PK Watch Glasses, 6" (15cm) - Cover Lids for Beakers & Flasks https://amzn.to/3j5MHMS
Filtering Flask, 1000ml - Borosilicate Glass - Conical Shape, with Integral Side Arm https://www.amazon.com/gp/product/B01...
United Scientific Supplies JBF1150 Buchner Funnel, 1150 ml, Diameter 150 mm https://amzn.to/2WAamh7
1 Stage HVAC Vacuum Pump 4.5cfm 1/3hp 110V https://amzn.to/3Sip451
Aroma Housewares AHP-303 Single Burner Hot Plate, Black https://amzn.to/378jL1p
300PCS 3ML Plastic Transfer Pipettes https://amzn.to/3f9JQ4B
AMMEX Clear Vinyl Medical Gloves https://amzn.to/2WBzB2A