Leads telluride (PbTe) +99.99% Lead Telluride (PbTe) 99.99%, 99.999%. 1, Purity: 4N ( 99 ... 2, Technics (Process): 1Mol Pb + 1Mol Te=1Mol PbTe. Reacted in quartz tube, high-precision analytical balance weighing( ... XRD (Please find the COA attached ) 5N Lead Telluride (PbTe) ( All impurity element is below 10 PPM ) 4, Packing ... 8, Application: Thermoelectric power generation Leads telluride (PbTe) +99.99%