AntimonyTrioxide99.99%min,99.999%minSb2O34NSb2O399.99%min,totalimpurity100ppmmaxPb/As/Fe/Sn/Cu/Ni/Al/Ca<5ppmeach,Bi<2ppmSize:1-4microm5NSb2O3>99.999%,TotalImpurity10ppmmaxAg/Cu/Al/Ni/Pb<0.5ppmeach,Ca/Mg/Fe<1.0ppmeachFormanufacturingoffAntimonyCompounds,Flame-retardant,ElectronicElements,LightproofAgent,MordantandHighpurityreagent.Packedinpolyethylenebottle,or25kgscardboarddrum)