... on its precision and price. xray gold purity test ,XRF gold analyzer,X-Ray Precious Metal Tester, ... maintain easier. Detailed features:Analysis Elements: Au ,Ag ,Pt ,Pd,Rh ,Ru ,Cu,Zn ,Ni,Cd,Analysis ... set the time for testing the elements in-density.)Test Precision:+/-0.1% The Precision could keep 0 ... .1% after several repeated test)High Pressure Template:4~50KvX-Ray Source: Mo ...