... 12036-41-8 EINECS NO : 237-247-0 99.9%,99.99%,99.995%,99.999% high quality and competitive price Name: terbium ... crystals or powder, do not contain gessoSpecification : 99.9%,99.99%,99.995%,99.999%Aplication :Used in laboratory, optical fiber doping, laser reagents material, ... fiber, optical coating materials, electronic material, etc.Packing : in 50, 100, 500, 1000 g/bottle, the outside cardboard ...