Iron(II) Sulfide, Powder -100 mesh, 99.8% (Trace Metals Basis), 50g For Research & Development Not for drug, human, animal, or food use
Certificate of Analysis: Appearance (Color) Dark brown Appearance (Form) Powder and/or chunks X-Ray Diffraction Conforms to standard pattern ICP Assay Confirms iron and sulfur components Assay (Titration) 61.6% - 65.4% Fe (with sodium thiosulfate) Assay (Metals Basis) 99.8% Average Particle Size -100 mesh Total Metallic Impurities <2000 ppm Purity based on trace metals analysis