kadriver
Well-known member
Hello:
I have about 10 grams of mixed Pt & Pd black powder.
HCl/Cl leach of some automotive cats.
Precipitated with 3000 mesh zinc powder and zinc turnings.
Washed with tap water and dried over low heat.
I have lazersteve's DVD, "Fundamentals of Processing Platinum and Palladium" and have used it as a guide to this point.
The next step on the DVD is to seperate the powders with AR.
I know some of the info on the DVD has changed and was looking for input on the next step in the process.
Using AR will require evaporation to remove excess nitric acid. Is this the best way to proceed?
I have about 10 grams of mixed Pt & Pd black powder.
HCl/Cl leach of some automotive cats.
Precipitated with 3000 mesh zinc powder and zinc turnings.
Washed with tap water and dried over low heat.
I have lazersteve's DVD, "Fundamentals of Processing Platinum and Palladium" and have used it as a guide to this point.
The next step on the DVD is to seperate the powders with AR.
I know some of the info on the DVD has changed and was looking for input on the next step in the process.
Using AR will require evaporation to remove excess nitric acid. Is this the best way to proceed?