Kinetic role of diethylenetriaminepentaacetic acid added to stripping phase in permeation of rare earth metal ions through a supported liquid membrane

Masahiko Matsukata; Tokuo Shimokoshi; Chikako Nakayama; Toshinori Kojima

doi:10.1016/0925-8388(93)90205-2

Kinetic role of diethylenetriaminepentaacetic acid added to stripping phase in permeation of rare earth metal ions through a supported liquid membrane

Masahiko Matsukata, Tokuo Shimokoshi, Chikako Nakayama, Toshinori Kojima^*

^*Corresponding author for this work

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

Abstract

The effects of addition of diethylenetriaminepentaacetic acid (DTPA) to the stripping phase on the permeation rates of rare earth metal ions (Ln³⁺) through a supported liquid membrane (SLM) were investigated. It was note worthy that in the presence of DTPA Ln³⁺ permeated through the SLM even in the range of high pH in the stripping phase where permeation of these ions was not detectable without DTPA. By measurement of the concentrations of Ln in the SLM, the formation of DTPA-Ln chelates led to an improvement in the permeation rates at high pH in the stripping phase.

Original language	English
Pages (from-to)	121-123
Number of pages	3
Journal	Journal of Alloys and Compounds
Volume	192
Issue number	1-2
DOIs	https://doi.org/10.1016/0925-8388(93)90205-2
Publication status	Published - 1993 Feb 23
Externally published	Yes

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/0925-8388(93)90205-2

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title = "Kinetic role of diethylenetriaminepentaacetic acid added to stripping phase in permeation of rare earth metal ions through a supported liquid membrane",

abstract = "The effects of addition of diethylenetriaminepentaacetic acid (DTPA) to the stripping phase on the permeation rates of rare earth metal ions (Ln3+) through a supported liquid membrane (SLM) were investigated. It was note worthy that in the presence of DTPA Ln3+ permeated through the SLM even in the range of high pH in the stripping phase where permeation of these ions was not detectable without DTPA. By measurement of the concentrations of Ln in the SLM, the formation of DTPA-Ln chelates led to an improvement in the permeation rates at high pH in the stripping phase.",

author = "Masahiko Matsukata and Tokuo Shimokoshi and Chikako Nakayama and Toshinori Kojima",

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T1 - Kinetic role of diethylenetriaminepentaacetic acid added to stripping phase in permeation of rare earth metal ions through a supported liquid membrane

AU - Matsukata, Masahiko

AU - Shimokoshi, Tokuo

AU - Nakayama, Chikako

AU - Kojima, Toshinori

PY - 1993/2/23

Y1 - 1993/2/23

N2 - The effects of addition of diethylenetriaminepentaacetic acid (DTPA) to the stripping phase on the permeation rates of rare earth metal ions (Ln3+) through a supported liquid membrane (SLM) were investigated. It was note worthy that in the presence of DTPA Ln3+ permeated through the SLM even in the range of high pH in the stripping phase where permeation of these ions was not detectable without DTPA. By measurement of the concentrations of Ln in the SLM, the formation of DTPA-Ln chelates led to an improvement in the permeation rates at high pH in the stripping phase.

AB - The effects of addition of diethylenetriaminepentaacetic acid (DTPA) to the stripping phase on the permeation rates of rare earth metal ions (Ln3+) through a supported liquid membrane (SLM) were investigated. It was note worthy that in the presence of DTPA Ln3+ permeated through the SLM even in the range of high pH in the stripping phase where permeation of these ions was not detectable without DTPA. By measurement of the concentrations of Ln in the SLM, the formation of DTPA-Ln chelates led to an improvement in the permeation rates at high pH in the stripping phase.

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Kinetic role of diethylenetriaminepentaacetic acid added to stripping phase in permeation of rare earth metal ions through a supported liquid membrane

Abstract

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