Copper(I) Selenide, 99.999% (Trace Metals Basis), Certified, 10g For Research & Development Not for drug, clinical use in humans, for food or food additive use
Certificate of Analysis: Assay (metals basis) 99.999% ICP analysis confirms Cu & Se components Melting point 1113°C Particle size 3mm & smaller Silvery-blue crystalline pieces and powder Specific gravity 6.84 Total metallic impurities (ppm) Al <0.1 Ba <0.1 Ca <0.1 Cd 0.4 Co 0.2 cr 0.6 Fe 0.5 K <0.1 Mg <0.1 Mn <0.1 Na 3.7 Ni <0.1 Pb <0.1 Sr <0.1 Zn 0.6 Zr <0.1