Silicon Monoxide, Granules 1-2.5mm, Vacuum Deposition Grade, 99.99+% (Metals Basis), 500g For Research & Development Not for drug, human, animal, or food use
Specifications: Fe 1-20 ppm Cu 1-20 ppm Ca 1-50 ppm Mg 1-10 ppm Al 1-50 ppm Ti 1-20 ppm Mn 1-20 ppm