WebE-mail address: [email protected] (S.M. Tichapondwa) Peer review under responsibility of King Saud University. Production and hosting by Elsevier Arabian Journal of Chemistry (2024) 14, 103160 King Saud University Arabian Journal of Chemistry www.ksu.edu.sa www.sciencedirect.com Web1 A comparative study of Si-BaSO 4 and Si-CaSO 4 pyrotechnic time delay compositions Shepherd M. Tichapondwa1 , Walter W. Focke1, John Gisby2, Olinto Del Fabbro1, Cheryl Kelly3 1Institute of Applied Materials, Department of Chemical Engineering, University of Pretoria, Lynnwood Road, Pretoria, South Africa 2National Physical Laboratory, …
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WebShepherd Tichapondwa. Sustainability. The presence of priority and emerging aromatic-based pollutants in water sources is of growing concern as they are not bioavailable and are present in reuse plant feed streams. These pollutants have known mutagenic and carcinogenic effects and must therefore be removed. WebView Shepherd Tichapondwa’s profile on LinkedIn, the world’s largest professional community. Shepherd has 4 jobs listed on their profile. See … dark web credit cards for sale
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WebS.M. Tichapondwa*, J.P. Newman and O. Kubheka Water Utilization Division, Department of Chemical Engineering, University of Pretoria, Pretoria, South Africa *Corresponding author. [email protected] Highlights The TiO2 phase greatly influences its photocatalytic activity towards Methylene blue dye. WebVisible-light-activated photocatalytic degradation of rhodamine B using WO 3 nanoparticles. Nompumelelo Mzimela *, Shepherd Tichapondwa and Evans Chirwa Water Utilization Division, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield, Pretoria, 0028, South Africa. E-mail: [email protected]; … WebCuprous oxide nanoparticles (Cu2O NPs) were fabricated in reverse micellar templates by using lipopeptidal biosurfactant as a stabilizing agent. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive x-ray dark web credit card site