Ultrafine Copper Powder Isotope 99,9997%

Ultrafine Copper Powder Isotope, of the finest quality 99,9997%, ratio Cu63 69,1% : Cu65 30,9%, not radioactive, non toxic, 1000kg, packed in 25 boxes, 20 bottles in each box, net weight 2kg per bottle, Isotope packed with Argon gas. 

Tested for quality at IGAS Research Germany.