Stability and Hydrolysis Constants of N-Hydroxyethyliminodiacetates of the Rare Earths
The stability constants for the 1:1 and 1: 2 complexes formed between the tetradentate ligand N-hydroxyethyliminodiacetate (HIMDA) and the rare earth ions have been determined at 20°C and at a metal concentration of 0.1 M. The hydrolysis of the 1: 2 complexes has been investigated at 20°C in 0.15 M...
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| Main Authors: | , |
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| Format: | Article |
| Language: | deu |
| Published: |
Swiss Chemical Society
1974-10-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/9179 |
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| Summary: | The stability constants for the 1:1 and 1: 2 complexes formed between the tetradentate ligand N-hydroxyethyliminodiacetate (HIMDA) and the rare earth ions have been determined at 20°C and at a metal concentration of 0.1 M. The hydrolysis of the 1: 2 complexes has been investigated at 20°C in 0.15 M rare earth solutions; the protonation constants of the M(HIMDA)2OH2- complexes have approximately the same values between La and Gd, but decrease strongly from Gd through Lu.
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| ISSN: | 0009-4293 2673-2424 |