Thiourea 99% Photographic Grade Crystal Powder Film Fixing Silver Halide Solvent

Thiourea 99% Photographic Grade Crystal Powder Silver halide solvent and fixing accelerator for photographic processing Assay ≥99% CAS 62-56-6 Low Heavy Metals Fast Soluble Photographic grade Thiourea (thiocarbamide, CH4 N2 S) is a high purity sulfourea used in photographic chemistry. It acts as a silver halide solvent that speeds up fixing and supports consistent image development, while its strong complexing power helps dissolve and recover silver from spent processing