... NO: 12036-41-8 EINECS NO : 237-247-0 99.9%,99.99%,99.995%,99.999% high quality and competitive price Name: terbium trifluorideOther name ... /mlApperance : White crystals or powder, do not contain gessoSpecification : 99.9%,99.99%,99.995%,99.999%Aplication :Used in laboratory, optical fiber doping, laser reagents ...