Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Orpah Zinyemba"'
Publikováno v:
Sustainable Chemistry, Vol 3, Iss 3, Pp 312-333 (2022)
This study was carried out to develop a green approach to synthesising sodium cyanide (NaCN) using hydrogen cyanide (HCN) extracted from cassava (Manihot esculenta Crantz) leaves after 120 min of maceration at 30 °C and 45 min of recovery under vacu
Externí odkaz:
https://doaj.org/article/362935001d0f42bfa29bc4ed21012f2d
Publikováno v:
Minerals, Vol 11, Iss 8, p 884 (2021)
Adsorption has become an attractive method for the extraction and recovery of metals from wastewater effluents. This study involved the fabrication of mesoporous neat polyacrylonitrile (PAN) monoliths and composite polymer monoliths of PAN and poly-4
Externí odkaz:
https://doaj.org/article/643a2e97c3f249baa1a9782db3dd4ec5
Autor:
Ajibola Adegunloye, Ibrahim Waziri, Sarit K. Ghosh, Venkata K. Perla, Orpah Zinyemba, Kaushik Mallick
Publikováno v:
Journal of Materials Science: Materials in Electronics. 33:13574-13583
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::800b6ae4c57ace5d6b1c1dc1be9db1a4
https://doi.org/10.1007/s10854-022-08292-9
https://doi.org/10.1007/s10854-022-08292-9
Publikováno v:
International Journal of Environmental Analytical Chemistry. 99:33-46
The current study describes development of novel, cost-effective, rapid and greener microwave-assisted extraction (MW-AE) method using diluted hydrogen peroxide (H2O2) and 400 µL of concentrated aq...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52ac888f38ac7c75c8e0e010a9b526e
https://doi.org/10.1080/03067319.2018.1559306
https://doi.org/10.1080/03067319.2018.1559306
Publikováno v:
SN Applied Sciences. 2
In this report, a simple complexation strategy has been adopted for the fabrication of bismuth-aniline based inorganic-organic hybrid system (BAC). The microscopic, optical and surface properties of the hybrid material were derived by using different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50ea4da7252988f02c6fc26521e59e0a
https://doi.org/10.1007/s42452-020-03802-y
https://doi.org/10.1007/s42452-020-03802-y
Publikováno v:
South African Journal of Chemistry; Vol 71 (2018); 94-102
South African Journal of Chemistry, Volume: 71, Pages: 102-94, Published: 2018
South African Journal of Chemistry, Volume: 71, Pages: 102-94, Published: 2018
Macro(meso) porous polymer materials were prepared via a modified TIPS method using reagent grade polymers mixtures; polyacrylonitrile (PAN) and polyvinylpyridine-co-styrene (PVPS). Reaction conditions such as concentration, temperature and the solve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fb4ccedce8d4edb7b082e3595f28a54
https://doi.org/10.17159/0379-4350/2018/v71a12
https://doi.org/10.17159/0379-4350/2018/v71a12
Publikováno v:
New Journal of Chemistry. 39:5249-5258
Several bio-friendly carbohydrate disulfides and thiocarbohydrates have been synthesized via the reaction of D-(+)-gluconic acid δ-lactone with aminoalkylthiols, leading to n-gluconamidoalkyldisulfides {di-(2-gluconamidoethyl)disulfide (L1), di(3-gl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d849a6592271be8198cdba3b0bc4a3f
https://doi.org/10.1039/c5nj00293a
https://doi.org/10.1039/c5nj00293a
Autor:
Bernard Omondi, Ilia A. Guzei, Juanita L. van Wyk, Divambal Appavoo, Orpah Zinyemba, James Darkwa
Publikováno v:
Polyhedron. 69:55-60
3,5-Dimethylpyrazole (L), reacts with [Cu(OAc)2] or [Zn(OAc)2]; and either C6H5COOH, 4-OH–C6H5COOH, 3,5-NO2–C6H5COOH or 2-Cl–C6H5COOH to afford the corresponding metal complexes: [Cu(C6H5COO)2(L)2] (1), [Cu(2-Cl–C6H4COO)2(L)2] (2), [Cu(3,5-NO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8b3aebbf6508007ade2c73ade896daf
https://doi.org/10.1016/j.poly.2013.11.011
https://doi.org/10.1016/j.poly.2013.11.011