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Journal Info

Title: Studia Universitatis Vasile Goldis, Seria Stiintele Vietii (Life Sciences Series)
Abbreviated title: Studia Univ. VG, SSV
Publisher: "Vasile Goldis" University Press
Owner: Western University "Vasile Goldis" Arad, Romania
ISSN: 1584-2363
e-ISSN: 1842-7863
ISSN-L: 1584-2363

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Adsorption of herbicide, glyphosate, 2-[(phosphonomethyl) amino] acetic acid onto locally derived adsorbent: an ftir - gcms approach in qualitative analysis Print E-mail
Written by Itodo A.U., Adetunji I.I., Itodo H.U., Gafar M.K., Usman A.   
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Article Title: Adsorption of herbicide, glyphosate, 2-[(phosphonomethyl) amino] acetic acid onto locally derived adsorbent: an ftir - gcms approach in qualitative analysis
Authors: Itodo A.U. *, Adetunji I.I., Itodo H.U., Gafar M.K., Usman A.
Affiliation: Department of Chemical Sciences, Federal University, Wukari, Nigeria
Department of Applied Chemistry, Kebbi State University of Science and Technology, Aliero, Nigeria
Department of Chemistry, Benue state University Makurdi, Nigeria.
Department of Chemistry, Federal University Dutsinma, Katsina State, Nigeria.
Basic Science Unit, Nasarawa State University Keffi, Shabu-Lafia Campus, Keffi, Nigeria
Abstract: The adsorption of unsuspected pollutant, an orgarno-phosphorus herbicide with the general name; glyphosate, trade name; Roundupand chemically called 2-[(phosphonomethyl) amino] acetic acid or N-(phosphonomethyl) glycine was qualitatively investigated. A batch adsorption mode was utilized as reactor in interacting herbicide solution with derived activated carbon. Results obtained from FTIR and GCMS run revealed the phenomenon likened to the adsorption of certain functional groups from the herbicide viz; NH-Amine (peak range of 3300-3500 cm-1), polyoxyethyleneaminein glyphosate herbicides,CO Carbonyl groups (3412.19cm-1 peak region), OH-groups (3200-3600 cm-1peak region) and phosphonic moiety. On comparing the original herbicide spectral with those interacted with activated carbon, the functional groups common to both had different peaks information (denoting different peak heights, intensities and types of vibrations). This is an indication that there could be possibilities of either partial adsorption as observed from band shift, band distortion and not necessarily a band disappearance as applicable to complete or total adsorption. The role played by solvent action was also discussed.
Keywords: Glyphosate, Herbicide, Adsorption, Activated Carbon, FTIR, GCMS
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*Correspondence: Dr. Adams Udoji Itodo, Federal University, Wukari, Department of Chemical Sciences, Nigeria. TEL: +234(0)8039503463 Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it