And ethylenediamine was used as complexant, it can make the containing of Eu greatly increase. The content of Eu in the alloy films can attain to 41.41%.
加入乙二胺作为络合剂，使沉积层中铕的质量分数明显提高，沉积层中铕质量分数最高达41 41%。
3
A new technology to produce hydroxy ethyl ethylenediamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.