need help for identifying pd

[Yebacheha]

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

 

[nickvc]

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?

 

[Yebacheha]

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?