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- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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Ion-exchange Separation and Spectrophotometric Determination of Trace Amount of Aluminium with Thorinin the Presence of Triton X-100
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.6, pp.515-520
Park,
C., Cha,
K., &
Jung,
D.
(1999). Ion-exchange Separation and Spectrophotometric Determination of Trace Amount of Aluminium with Thorinin the Presence of Triton X-100. Analytical Science and Technology, 12(6), 515-520.
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Abstract
The spectrophotometric determination of Al(III) with thorin have been investigated. The optimum condition of pH, concentration of ligand and surfactant, and stability were evaluated. The thorin ligand offers selective separation of Al(III) from sample solution containing Fe(III), Ni(II), Cu(II), Pb(II) and Cu(II). Various surfactants were tested and Triton X-100 showed the best stability and the maximum absorbance in an aqueous solution of Al(III)-Thorin-Triton X-100 complex appears about 526 nm. The method was applied for the determination of Al(III) in mixed sample solution. Separation and preconcentration was performed with a short column filled with resorcinol-formaldehyde resin. Control of the pH during the column operation is essential because the adsorption capacities are very sensitive to change in pH. Their separation was carried out in 0.2 M acetic acid-sodium acetate buffer solution (pH 4.5) and 1.0 M <TEX>$HNO_3$</TEX>media.
- keywords
- AI(III), Thorin, Resorcinol-formaldehyde resin, Spectrophotomertic determination
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