... -247-0 99.9%,99.99%,99.995%,99.999% high quality and competitive price Name: terbium trifluorideOther name:No water fluoride ... .995%,99.999%Aplication :Used in laboratory, optical fiber doping, laser reagents material, turn Ying luminescence materials, optical fiber, optical coating ... according to user's special requirements of the custom synthesis high quality terbium trifluoride powder