need help for identifying pd

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Yebacheha

New member
Joined
Nov 8, 2017
Messages
2
hi
I have problem by DMG and SnCl2 testing for pd
I collect some little different components form my boards,after incinerate,I leach them in nitric acid and test the solution by SnCl2 my paper test colored brown but when I test it by DMG, i dont have any yellow precipitation.
NOTE: my solution contain base metal such as Cu,Al(probably Pb,Sn)
please help me
 
Palladium is only found in a few applications in e scrap and rarely in domestic material if my memory is correct, I believe one area it is in is telecom gear and probably material from military or airline scrap.
Why do you think you have palladium in your scrap?
 
that was modem and graphic cards PC boards. little component consist of MLCC's, resistors and ..., I guess i have Pd because my paper SnCl2 colored light brown, like milk coffee! What does it mean?
 
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