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American Journal of Innovative Research & Applied Sciences
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  | ARTICLES | Am. J. innov. res. appl. sci. Volume 7,  Issue 3, Pages 159-168 (September 2018)
Research Article
 
American Journal of innovative
Research & Applied Sciences 
ISSN  2429-5396 (Online)
OCLC Number: 920041286
| SEPTEMBER VOLUME 7 | N° 3  | 2018 |
Authors Contact

*Correspondant author and authors Copyright © 2018:

| Bazzi Aicha 1 | Hilali Mustapha 1 | Bazzi Lahcen 1 | Elissami Souad 1 | and | Zejli Hanane 1 |.
 

Affiliation.


1. Ibn Zohr University | department of chemistry | Agadir | Morocco |
This article is made freely available as part of this journal's Open Access: ID | Bazzi-ManuscriptRef.3-ajira270818 | 
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Abstract

Background: Over the past two decades, research in the field of corrosion inhibitors has been conducted with the aim of using efficient molecules with low environmental impact to replace hazardous agents likely to cause harm to the environment. Among the promising compounds that can be used as corrosion inhibitors are natural plant extracts that are environmentally friendly, non-toxic and biodegradable. Methods: The influence of Gellidium red algae mineralization on the inhibition of copper corrosion in 1M HNO3 solutions was studied by gravimetric and electrochemical techniques (potentiodynamic polarization and electrochemical impedance spectroscopy). Results: The results of the interactions of the mineralized red algae with copper are supported by a qualitative follow-up using ultraviolet and quantitative concentration of copper ions by atomic absorption flame. The inhibition efficiency (IE%) has increased as the increase of the inhibitor concentration increases to reach 84%. Conclusions: Polarization measurements showed that the inhibitor is of cathodic type. The results obtained by means of various methods are similar.
Keywords:  potentiodynamic polarization, impedance spectroscopy, algae, Inhibition.



STUDY OF COPPER CORROSION INHIBITION BY THE MINERALIZATION OF THE RED ALGA GELLIDIUM IN NITRIC ACID INVESTIGATED BY CHEMICAL AND SPECTROSCOPIC TECHNIQUES

| Bazzi Aicha 1 | Hilali Mustapha 1 | Bazzi Lahcen 1 | Elissami Souad 1 | and | Zejli Hanane 1 |.  Am. J. innov. res. appl. sci. 2018; 7(3):159-168.

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XML FILE |     Received | 27 August 2018 |     | Accepted | 07 September 2018 |     | Published | 20 September 2018 |