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Browsing Chemistry by Title
Now showing items 1-20 of 912
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(International Union of Crystallography, 2011)The title compound, (C21H25N2)[ReO4], was formed as the unexpected product in an attempted synthesis of a rhenium(I)–N-heterocyclic carbene (NHC) complex. The compound has crystallographic mirror symmetry with both the ...
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(International Union of Crystallography, 2011)Please read abstract in article.
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(International Union of Crystallography, 2012-07-02)The asymmetric unit of the title salt C8H22N4 2+2C7H5O2 , comprises two independent pairs of half a 2,2'-(piperazine-1,4- diyl)diethanaminium dication plus a benzoate anion. The dications are symmetrical and lie across ...
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(University of Pretoria, 2011-10-31)Fusarium verticillioides (= Fusarium moniliforme) a common fungal contaminant of maize throughout the world has been associated with diseases in both man and animals. The structure of the fumonisins, a family of structurally ...
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(Taylor and Francis, 2018)Please read abstract in the article.
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(International Union of Crystallography, 2012-07-02)The asymmetric unit of the title salt, C6H20N4 2+ 2I , comprises half a 3,6-diazaoctane-1,8-diaminium dication plus an I anion. The dications are symmetrical and lie across crystallographic centres of inversion. In ...
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(International Union of Crystallography, 2010)A fundamental understanding of the role of oxyanion geometry on molecular packing and non-covalent interactions in salt crystal structures is central to the fields of both molecular recognition and crystal engineering. The ...
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(International Union of Crystallography, 2023-08)The crystal structure of the racemic title compound, C20H16Cl2N4 is described, where the formation of a di-substituted 6,8-dichloro quinoxaline, containing two stereogenic centres, is confirmed.
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(University of Pretoria, 2018)Fluorochemicals are valuable organic compounds manufactured by PELCHEM, the chemical manufacturing company of NECSA (The South African Nuclear Energy Corporation of South Africa). Fluorochemicals are manufactured through ...
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(Springer, 2018-12)Chemical modification of montmorillonite though popular may be expensive and environmentally noxious and can result in secondary contamination. Therefore, there is a need for eco-friendly and efficient treatment techniques. ...
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(AOSIS OpenJournals, 2019-07-22)Hot water and hydroethanolic (70:30) extracts were prepared from 15 plant species, which were investigated to discover eco-friendly and less expensive tick control methods as an alternative to synthetic acaricides. A ...
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(Wiley, 2022-08)The effect of various clays nanofillers on the photo-oxidation of polyamide 11 (PA11) has been investigated by accelerated ultraviolet (UV) test up to 780 h. Organo-modified montmorillonite, halloysite nanotubes, and ...
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(University of Pretoria, 2012-07-06)The ability to make realistic judgements of one’s performance is a demonstration of the possession of strong metacognitive skills. Metacognition involves the monitoring of one’s progress during learning, and the ability ...
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(University of Pretoria, 2023)Global plastic and food waste generation has climbed to unprecedented levels, inherently linked to exponential population growth since the 1950s accompanied by industrialization, urbanization and modernization. The reduction ...
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(University of Pretoria, 2021)Spectroscopes are practical tools that show the quantization of emitted light from excited elements and compounds, as well as helping students understand modern models of the atom and appreciate the unique identifying power ...
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(Elsevier, 2020-12)Experimental studies, supported by comprehensive density functional theory (DFT) and Monte Carlo simulation studies have been carried out on 2-(2-hydroxybenzylidene)hydrazinecarboxamide (SEMISCAD) and 2-((p-tolylimino)me ...
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(Elsevier, 2021-12)The increasing concentrations of pharmaceutical and personal care products in water bodies have attracted attention due to the risk of non-target exposures. The application of any graphene-based material for the remediation ...
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(University of Pretoria, 2021)In this project, a comprehensive review of existing and emerging technologies for the mitigation of PAH pollution in water was conducted. Furthermore, the status of antiretroviral drugs in African surface water, toxicological ...
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(SpringerOpen, 2014-07)Chrysophyllum albidium seed shell, an abundant, biodegradable and inexpensive natural resource was used as a precursor to bioadsorbent production for the removal of suspended and dissolved particles (SDP) from ...
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(Royal Society of Chemistry, 2024-03)Please read abstract in the article.
Now showing items 1-20 of 912