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Citation: Gao Feng, Niu Chunji, Ni Jiazuan. STUDY ON MIXED LIGAND COMPLEXES OF RARE EARTH WITH NITRILOTRIACETIC ACID AND AMINO ACID[J]. Chinese Journal of Applied Chemistry, ;1990, 7(3): 10-13. shu

STUDY ON MIXED LIGAND COMPLEXES OF RARE EARTH WITH NITRILOTRIACETIC ACID AND AMINO ACID

1.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 6 July 1989
Available Online: 25 October 1989
Fund Project:

The stability constants for mixed ligand complexes of rare earth with nitrilotriacetic acid as primary ligand and amino acid as secondary ligand have been determined by potentiometric titration at 25℃ and an ionic strength of 0.15mol/dm³(NaCl). A discussion on the relation-ship between the stability constants for the mixed ligand complexes and the atomic number of rare earth has been made. It was found that the position of Y in the ternary system shifted to the vicinity of neodymium.
- Rare earth,
- amino acid,
- nitrilotriacetic acid,
- mixed ligand complexes
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