27AL And 31P NMR Study on the Interaction Between Al-Edta Complex and H2PO4. Ions in Aqueous Solution

Takushi Yokoyama; Setsuko Kinoshita; Hisanobu Wakita; Tokuko Watanabe

doi:10.2116/analsci.7.Supple_429

27AL And 31P NMR Study on the Interaction Between Al-Edta Complex and H2PO4. Ions in Aqueous Solution

Takushi Yokoyama, Setsuko Kinoshita, Hisanobu Wakita, Tokuko Watanabe

Inorganic and Analytical Chemistry

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

An interaction between Al-EDTA and H2PO4- was investigated at pH 4.5 using Al and P NMR spectroscopy, and the formation of a mixed ligand complex, Al-EDTA-H2PO4- was detected. The chemical shift values of the mixed ligand complex from the external standard (Al(H2O)6 in Al NMR and 85% H3PO4. in P NMR) were 28 and-4.4 ppm. The formation constant of the mixed ligand complex was estimated to be 35.

Original language	English
Pages (from-to)	429-430
Number of pages	2
Journal	analytical sciences
Volume	7
DOIs	https://doi.org/10.2116/analsci.7.Supple_429
Publication status	Published - Jan 1991

All Science Journal Classification (ASJC) codes

Analytical Chemistry

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abstract = "An interaction between Al-EDTA and H2PO4- was investigated at pH 4.5 using Al and P NMR spectroscopy, and the formation of a mixed ligand complex, Al-EDTA-H2PO4- was detected. The chemical shift values of the mixed ligand complex from the external standard (Al(H2O)6 in Al NMR and 85% H3PO4. in P NMR) were 28 and-4.4 ppm. The formation constant of the mixed ligand complex was estimated to be 35.",

author = "Takushi Yokoyama and Setsuko Kinoshita and Hisanobu Wakita and Tokuko Watanabe",

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AU - Yokoyama, Takushi

AU - Kinoshita, Setsuko

AU - Wakita, Hisanobu

AU - Watanabe, Tokuko

PY - 1991/1

Y1 - 1991/1

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AB - An interaction between Al-EDTA and H2PO4- was investigated at pH 4.5 using Al and P NMR spectroscopy, and the formation of a mixed ligand complex, Al-EDTA-H2PO4- was detected. The chemical shift values of the mixed ligand complex from the external standard (Al(H2O)6 in Al NMR and 85% H3PO4. in P NMR) were 28 and-4.4 ppm. The formation constant of the mixed ligand complex was estimated to be 35.

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