Zobrazeno 1 - 10
of 13
pro vyhledávání: '"C. T. Onwordi"'
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 43, Iss 5, Pp 1351-1359 (2021)
Cd2+ adsorption from aqueous solution onto cellulose nanocrystals from cassava peel (CP) was successfully studied. The sample was acid hydrolysed into cellulose nanocrystals using 64% sulphuric acid at 45oC for 45 min and was used as an adsorbent
Externí odkaz:
https://doaj.org/article/c8e7e4a5c7c8470eafcbb140e67353fc
Autor:
R. A. Olowu, O. O. Ayejuyo, A. Adejoroi, G. O. Adewuyi, M. O. Osundiya, C. T. Onwordi, K. A. Yusuf, M. S. Owolabi
Publikováno v:
E-Journal of Chemistry, Vol 7, Iss 2, Pp 526-530 (2010)
The level of heavy metals in crabs and prawns was investigated using Atomic Absorption Spectrophotometer. The mean concentration of copper in the crab was 1.56±0.87 µg/g; the mean concentration of zinc in the crab was also 0.64±1.96 ܖg/g. Chromiu
Externí odkaz:
https://doaj.org/article/491c5350e1774d0b882e7b7646d2591e
Autor:
R. A. Olowu, O. O. Ayejuyo, G. O. Adewuyi, I. A. Adejoro, T. A. Akinbola, M. O. Osundiya, C. T. Onwordi
Publikováno v:
E-Journal of Chemistry, Vol 7, Iss 2, Pp 605-611 (2010)
The physiochemical properties of Oke Afa water body were investigated. The parameters were compared with established international standard (APCELS). The canal water contained very high concentration of BOD (64.8±11.3 mg/L) and COD (107.8±22.3 mg/L
Externí odkaz:
https://doaj.org/article/6a91ccab4874458e84c59894072a44b7
Publikováno v:
International Journal of Environmental Science and Technology. 17:1637-1648
This study evaluated the levels and concentrations of five selected herbicides in fish species wild-caught and sold at Kalk Bay harbour, Cape Town, South Africa. The samples were analysed using gas chromatography coupled with mass chromatography. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63fe6a4a27159c51f696d8871372ce9d
https://doi.org/10.1007/s13762-019-02621-y
https://doi.org/10.1007/s13762-019-02621-y
Autor:
C. T. Onwordi, Chioma Vivian Abiaziem, Cyril O. Ehi-Eromosele, A. I. Inegbenebor, Akan B. Williams, Leslie F. Petrik
Publikováno v:
Rasayan Journal of chemistry. 13:177-187
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acfef9725ef9e0c6d3cddd0435a4bb2e
https://doi.org/10.31788/rjc.2020.1315328
https://doi.org/10.31788/rjc.2020.1315328
Publikováno v:
Journal of Water Reuse and Desalination, Vol 9, Iss 3, Pp 249-262 (2019)
The present study compared the adsorption capacity of Pb (II) ions from aqueous solution onto biopolymer materials (BPMs): (bean husk (BH) and fish scale (FS)). Fourier transform infrared (FTIR), thermogravimetric analysis (TGA), scanning electron mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c3b7281280a866e53c44027435c9bdd
https://doi.org/10.2166/wrd.2019.061
https://doi.org/10.2166/wrd.2019.061
Publikováno v:
The Science of the total environment. 778
During 2017 the herbicides alachlor, atrazine, butachlor, metolachlor, and simazine were detected in water samples, beach sediments and marine biota collected at Camps Bay, Cape Town, South Africa. During that period, the annual rain catchment record
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f34f83b263e9885abd1c61ed78b787a
https://pubmed.ncbi.nlm.nih.gov/33965233
https://pubmed.ncbi.nlm.nih.gov/33965233
Publikováno v:
The Science of the total environment. 738
The present study was conducted during a time of drought to assess the concentration of herbicides and their potential for accumulation in marine biota found in the near shore marine environment of an urban setting (Camps Bay, Cape Town, South Africa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f8417e8bbe0d58732a97925fa6fbe09
https://pubmed.ncbi.nlm.nih.gov/33059140
https://pubmed.ncbi.nlm.nih.gov/33059140
Autor:
Akan B. Williams, Cyril O. Ehi-Eromosele, C. T. Onwordi, A. I. Inegbenebor, Leslie F. Petrik, Chioma Vivian Abiaziem
Publikováno v:
Journal of Physics: Conference Series. 1299:012123
Sugarcane peels are agro-waste resources discarded before taking the sugarcane juice. In the present study, cellulose nanocrystal was isolated from sugarcane peel by sulphuric acid hydrolysis. Two pretreatments, alkaline treatment and bleaching with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5d61839624e1b56f8556b8d3638c18e
https://doi.org/10.1088/1742-6596/1299/1/012123
https://doi.org/10.1088/1742-6596/1299/1/012123
Autor:
Akan B. Williams, A. I. Inegbenebor, Chioma Vivian Abiaziem, C. T. Onwordi, Cyril O. Ehi-Eromosele, Leslie F. Petrik
Publikováno v:
Journal of Physics: Conference Series. 1299:012122
Acid hydrolysis was used for the synthesis of cellulose nanocrystal (CNC) from cassava peel (CP). The process was carried out at 450C for 45 min using 64% concentrated sulphuric acid, Pb2+ was removed from aqueous solution using the synthesized CNC a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6f11aa43798d0bb9f18b38c8c52fe11
https://doi.org/10.1088/1742-6596/1299/1/012122
https://doi.org/10.1088/1742-6596/1299/1/012122