No need for that. You can buy the nanopowder and sinter it. Or better yet reduce it further to about 2 nm and sinter.
http://www.sigmaaldrich.com/catalog/ProductDetail.do?D7=0 <http://www.sigmaaldrich.com/catalog/ProductDetail.do?D7=0&N5=SEARCH_CONCAT_ PNO|BRAND_KEY&N4=686468|ALDRICH&N25=0&QS=ON&F=SPEC> &N5=SEARCH_CONCAT_PNO|BRAND_KEY&N4=686468|ALDRICH&N25=0&QS=ON&F=SPEC From: Wm. Scott Smith Palladium is similar enough to Ni that we can probably get some that has been alloyed with aluminum and could be treated with Sodium Hydroxide (Red Devil Drain Cleaner.) _____

