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Vol. 32, No. 8(2), S&M2292

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Sensors and Materials, Volume 27, Number 10 (2015)
Copyright(C) MYU K.K.
pp. 899-906
S&M1126 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2015.1151
Published: November 11, 2015

Coprecipitated Removal of Cu2+ Using Dextran in Cationic Porphyrin Aqueous Solution [PDF]

Kai Li, Minoru Satoh, Motohiro Tagaya and Takaomi Kobayashi

(Received February 12, 2015; Accepted August 7, 2015)

Keywords: copper removal, dextran, coprecipitation, meso-tetrakis(N-methylpyridinium-4-yl)-porphine

Removal of copper ion (Cu2+) using water-soluble porphyrin and dextran was investigated. Cu2+ can be removed using dextran very rapidly in the form of a [(TMPyP)Cu]4+ complex, and the extent of removal can reach almost 100% with the addition of acetone. Electron paramagnetic resonance (EPR) results confirm the existence of Cu2+ in precipitates. The order in which dextran and acetone are added strongly influences the removal of Cu2+. This work suggests an efficient method to remove Cu2+ ions from waste water.

Corresponding author: Takaomi Kobayashi


Cite this article
Kai Li, Minoru Satoh, Motohiro Tagaya and Takaomi Kobayashi, Coprecipitated Removal of Cu2+ Using Dextran in Cationic Porphyrin Aqueous Solution, Sens. Mater., Vol. 27, No. 10, 2015, p. 899-906.

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