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American Journal of Innovative Research & Applied Sciences
| ISSN: 2429-5396 (e) | www.american-jiras.com | |
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| | ARTICLES | Am. J. innov. res. appl. sci. Volume 8, Issue 4, Pages 131-144 (April 2019) |
| Research Article |
American Journal of innovative
Research & Applied Sciences
Research & Applied Sciences
ISSN 2429-5396 (Online)
OCLC Number: 920041286
OCLC Number: 920041286
| APRIL 8 | N° 4 | 2019 |
Authors Contact
*Correspondant author and authors Copyright © 2019:
| Nadia Gharda 1* | Mouhsine Galai 2 | Lamyae Saqalli 1 | Moussa Ouakki 3 | Rachida Ghailane 1 | Mohamed EbnTouhami 2 | Abdelaziz Souizi 1 | and | Nouzha Habbadi 1 |
*Correspondant author and authors Copyright © 2019:
| Nadia Gharda 1* | Mouhsine Galai 2 | Lamyae Saqalli 1 | Moussa Ouakki 3 | Rachida Ghailane 1 | Mohamed EbnTouhami 2 | Abdelaziz Souizi 1 | and | Nouzha Habbadi 1 |
Affiliation.
1. Laboratory of Organic, Organometallic and Theoretical Chemistry | Faculty of Science | University IbnTofail BP. 133-14000, Kenitra | Morocco |
2. Laboratory of Materials Engineering and Environment: Modeling and Application, Faculty of Science | University IbnTofail BP. 133-14000, Kenitra | | Morocco |
3. Laboratory of materials, electrochemistry and environment | Faculty of Science, IbnTofail University | PB 133-14050 Kénitra | Morocco |
1. Laboratory of Organic, Organometallic and Theoretical Chemistry | Faculty of Science | University IbnTofail BP. 133-14000, Kenitra | Morocco |
2. Laboratory of Materials Engineering and Environment: Modeling and Application, Faculty of Science | University IbnTofail BP. 133-14000, Kenitra | | Morocco |
3. Laboratory of materials, electrochemistry and environment | Faculty of Science, IbnTofail University | PB 133-14050 Kénitra | Morocco |
This article is made freely available as part of this journal's Open Access: ID | Nadia-ManuscriptRef.6-ajira290319 |
ABSTRACT
Background: Metallic ions such as nickel are essential elements present in many species (proteins..). However, an excess of these ions in the human body can seriously affect our health. Furthermore, Nickel (II) is capable of reacting with mono-, bi- and polydentate ligands to form complex compounds with various applications (environmental, biological and medical). The aims : we present in this paper the synthesis and the characterization of nickel (II) complex using alanine as ligand, after that the ligand and the obtained complex were tested in the environment field as anticorrosive agents. Material and methods: the complexation of alanine with anhydrous nickel chloride was studied. The isolated complex Ni(ala)2Cl2 with a yield equal to 82% was characterized by the UV-visible spectroscopy, the infrared spectroscopy and the scanning electron microscopy (SEM) energy dispersive X-ray (EDX) analysis. The synthesized complex Ni(ala)2Cl2 and the ligand alanine on the corrosion of ordinary steel in 1M HCl solution was then evaluated by means of stationary and transient electrochemical methods (stationary and transient). A comparative study of their anticorrosive activities was also performed. Conclusion: The complex Ni(ala)2Cl2 synthesis was found to be possessing highest inhibitory effect with 95% at 10-3M. The results obtained showed that the dissolution rate of the metal depends on the molecular structure and the concentration of product.
Keywords: DL-α-alanine, complexation, Ni(ala)2Cl2, corrosion, inhibitor .
Background: Metallic ions such as nickel are essential elements present in many species (proteins..). However, an excess of these ions in the human body can seriously affect our health. Furthermore, Nickel (II) is capable of reacting with mono-, bi- and polydentate ligands to form complex compounds with various applications (environmental, biological and medical). The aims : we present in this paper the synthesis and the characterization of nickel (II) complex using alanine as ligand, after that the ligand and the obtained complex were tested in the environment field as anticorrosive agents. Material and methods: the complexation of alanine with anhydrous nickel chloride was studied. The isolated complex Ni(ala)2Cl2 with a yield equal to 82% was characterized by the UV-visible spectroscopy, the infrared spectroscopy and the scanning electron microscopy (SEM) energy dispersive X-ray (EDX) analysis. The synthesized complex Ni(ala)2Cl2 and the ligand alanine on the corrosion of ordinary steel in 1M HCl solution was then evaluated by means of stationary and transient electrochemical methods (stationary and transient). A comparative study of their anticorrosive activities was also performed. Conclusion: The complex Ni(ala)2Cl2 synthesis was found to be possessing highest inhibitory effect with 95% at 10-3M. The results obtained showed that the dissolution rate of the metal depends on the molecular structure and the concentration of product.
Keywords: DL-α-alanine, complexation, Ni(ala)2Cl2, corrosion, inhibitor .
|
COMPARATIVE CORROSION INHIBITION STUDY OF ORDINARY STEEL IN 1M HCl DL- α -ALANINE AND BIS Ni(ALA)2Cl2 COMPLEX SYNTHESIS
| Nadia Gharda 1* | Mouhsine Galai 2 | Lamyae Saqalli 1 | Moussa Ouakki 3 | Rachida Ghailane 1 | Mohamed EbnTouhami 2 | Abdelaziz Souizi 1 | and | Nouzha Habbadi 1 |. Am. J. innov. res. appl. sci. 2019; 8(4):131-144.
| PDF FULL TEXT | | XML FILE | | Received | 12 March 2019 | | Accepted | 12 April 2019 | | Published | 19 April 2019 |
| Nadia Gharda 1* | Mouhsine Galai 2 | Lamyae Saqalli 1 | Moussa Ouakki 3 | Rachida Ghailane 1 | Mohamed EbnTouhami 2 | Abdelaziz Souizi 1 | and | Nouzha Habbadi 1 |. Am. J. innov. res. appl. sci. 2019; 8(4):131-144.
| PDF FULL TEXT | | XML FILE | | Received | 12 March 2019 | | Accepted | 12 April 2019 | | Published | 19 April 2019 |