I can not understand why this chap would try and sell a "Solution" such as this on eBay.
http://www.ebay.co.uk/itm/Rhenium-in-Nickel-Chloride-solution-precious-metal-not-gold-or-platinum-/232173651135?hash=item360ea0c4bf:g:37MAAOSwImpXpdvS
http://www.ebay.co.uk/itm/Rhenium-in-Nickel-Chloride-solution-precious-metal-not-gold-or-platinum-/232173651135?hash=item360ea0c4bf:g:37MAAOSwImpXpdvS