摘要
本文应用核磁共振自旋-晶格弛豫时间T1研究了金属离子Cr(Ⅲ)与制革活性氨基酸络合物的空间构型,讨论了在本文实验条件下天冬氨基、谷氨酸等与Cr(Ⅲ)、稀土等金属离子的络合方式,并通过T1值计算了络合物中心离子与配体的氢原子间的距离。
The NMR Spin-Cattice relaxation time T1 of the α-proton of Glycine,α.β──Protons of Aspartic acid, α.β.r──Protons of Glutamic acid have been determined and compared with the correspondent values of their complexes with Cr(Ⅲ) .Ce(Ⅲ) and Nd(Ⅲ) ,etc. , respectively. The difference △ T1 can be successfully used to describe the influence of unpair electrons and judge the coordinatinq positions of the complexes. The relationship between T1 and the distances of metallic ion to proton is rederived as r= The space configurations of the complexes have also been determined.
出处
《皮革科学与工程》
CAS
1995年第3期8-13,共6页
Leather Science and Engineering
基金
国家教委博士点基金