Open Access Nano Express

Highly selective colorimetric detection and preconcentration of Bi(III) ions by dithizone complexes anchored onto mesoporous TiO2

Mohd Faisal1, Adel A Ismail12*, Farid A Harraz12, Houcine Bouzid14, Saleh A Al-Sayari13 and Ali Al-Hajry14

1 Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia

2 Nanostructured Materials and Nanotechnology Division, Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt

3 College of Science and Arts-Sharoura, Najran University, Sharoura, Saudi Arabia

4 Department of Physics, College of Science and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia

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Nanoscale Research Letters 2014, 9:62  doi:10.1186/1556-276X-9-62

Published: 6 February 2014

Additional files

Additional file 1:

XRD patterns of the samples.

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Additional file 2:

N2 sorption isotherms and pore size distributions (inset) of the of the samples.

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Additional file 3:

FTIR spectra for all the samples.

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Additional file 4:

Contains a table that summarizes the color trend obtained for various interfering cations and anions.

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