alexa Nano-Silica Modified by Hematoporphyrin for Determination Some of Traces Metals Ions (Cu(II), Zn(II) and Mn(II)) in Environmental and Pharmaceutical Formula
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
Open Access

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Research Article

Nano-Silica Modified by Hematoporphyrin for Determination Some of Traces Metals Ions (Cu(II), Zn(II) and Mn(II)) in Environmental and Pharmaceutical Formula

Esam Bakeir1,2*, Salma Attaf1 and Mohamed El-shahat1

1Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt

2Department of Chemistry, College of Science, King Faisal University, Hofuf, Saudi Arabia

*Corresponding Author:
Esam Bakeir
Department of Chemistry, College
of Science King Faisal University
Hofuf, Saudi Arabia
Tel: 00966509725364
E-mail: [email protected]

Received Date: July 15, 2017 Accepted Date: July 22, 2017 Published Date: July 27, 2017

Citation: Bakeir E, Attaf S, El-shahat M (2017) Nano-Silica Modified by Hematoporphyrin for Determination Some of Traces Metals Ions (Cu(II), Zn(II) and Mn(II)) in Environmental and Pharmaceutical Formula. J Environ Anal Toxicol 7: 495. doi: 10.4172/2161-0525.1000495

Copyright: ©2017 Bakeir E, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Recovering of heavy metal ions Zn(II), Cu(II) and Mn(II) in aqueous solution has been investigated using a novel nano silica modified by hemtaprophyrin. Nano sorbent was prepared by sol gel method. Transmission electron microscope and EDAX analysis showed the nano scale with porosity of a new sorbent. The proposed structure of modified silica with HP was predicted according to FTIR and elemental analysis. The new sorbent have good thermal stability. The phenomena of the sorbent sorption included the static studies such as pH and the Langmuir and Freundlish models were applied at equilibrium state. The linear regression analysis was Langmuir isotherm according to the values of relation coefficient (R2). The limit of detection (LOD) for Zn, Cu and Mn were 0.01, 0.12 and 0.03 μg L-1 respectively, within the analytical range 0.1-10 μgL-1. This method achieved highly precision for the samples of environmental and pharmaceutical formulations of % RSD less than 10%.


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