Gold Mining Usage Chemical Thiourea

Gold mining usage chemical thiourea gold minning, bleaching agent in textile dyeing and printing, auxiliary of dyeing and anti-oxidant, rubber accelerator, pharmaceutical raw material, photo developing agent, resin compression molding, powder electroplating, blue pringting and boiler washing, macromolecule material industry, castallysis and stabilizerof resinic producing, organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicas, recycling and separating of heavy metals etc. Molecular formula: ch4n2s        molecular weight: 76.12 properties: pure product is colorless rhombic powder, bitter, density1.40g/cm3, melting point 170-171°csublimation in 150-160 °cuses: 1, thiourea can be used in drug and feed additive 2, bleaching agent and floatation agent of metallic mine3, dyeing auxiliary; 4, rubber accelerator; 5, developer and toner; 6, plating additive; 7, used in the production of gold and electrolytic copper; 8, material of resin pressed powder; 9, used to produce cold wave lotion; 10, used to produce thiourea dioxide ; 11, chemical reagent; 12, blueprint used in blueprint and clean boiler. Packing: in plastic bag lined plastic woven bag, net wt 25kg. Item metrical unit standard actual results purity % 99.0 min 99.15 loss on heating % 0.40 max 0.20 ash content % 0.10 max 0.05 water-insoluble % 0.02 max 0.01 thiocyanate % 0.02 max 0.018 melting point.