Topic
Nitrobenzene
About: Nitrobenzene is a research topic. Over the lifetime, 5285 publications have been published within this topic receiving 83368 citations. The topic is also known as: essence of mirbane & nitrobenzol.
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TL;DR: The proposed method provided fast, sensitive and sometimes real time detection of nitrobenzene and offered low limit of determination, easy operation, the use of simple instrumentation, high sensitivity and good reproducibility.
Abstract: The determination of trace amount nitrobenzene in wastewater on a hanging mercury drop electrode was studied. The determination conditions of pH, supporting electrolyte, accumulation potential, accumulation time, and voltammetric response were optimized. The sharp peak of the nitrobenzene was appeared at 0.05 V. The peak electric current was proportional to the concentration of nitrobenzene in the range of 1.47 × 10−5 ∼ 1.0 × 10−3 mol/l with relative standard deviations of 3.99 ∼ 8.94%. The detection limit of the nitrobenzene in water was 5 × 10−6 mol/l. The proposed method offered low limit of determination, easy operation, the use of simple instrumentation, high sensitivity and good reproducibility. It was applied to the determination of nitrobenzene in wastewater with an average recovery of 94.0% ∼ 105%. The proposed method provided fast, sensitive and sometimes real time detection of nitrobenzene.
31 citations
TL;DR: In this paper, the bonding and charge transfer mechanism of NB on pristine and metal doped MoS2 have been presented through orbital interactions and Bader charge analysis, and the structural integrity has been verified at room temperature (300 K) by ab-initio Molecular Dynamics (MD) simulations.
31 citations
31 citations
TL;DR: In this paper, density and shear viscosity for the binaries of anisole with nitrobenzene, chlorobenzene, carbon tetrachloride, cyclohexane, and 1,2-dichloroethane have been used to estimate the excess volume, excess shear, excess free energy of activation of flow, partial molar volume, contact parameter, and density increment over the entire mixture composition.
Abstract: Results of density and shear viscosity for the binaries of anisole with nitrobenzene, chlorobenzene, carbon tetrachloride, cyclohexane, and 1,2-dichloroethane have been used to estimate the excess volume, excess shear viscosity, excess free energy of activation of flow, partial molar volume, contact parameter, and density increment over the entire mixture composition
31 citations
Journal Article•
TL;DR: In this article, an efficient photocatalysts of copper nanoparticles on graphene support are successfully developed for controllably catalyzing the coupling reactions of aromatic nitro compounds to the corresponding azoxy or azo compounds under visible-light irradiation.
Abstract: Copper is a low-cost plasmonic metal. Efficient photocatalysts of copper nanoparticles on graphene support are successfully developed for controllably catalyzing the coupling reactions of aromatic nitro compounds to the corresponding azoxy or azo compounds under visible-light irradiation. The coupling of nitrobenzene produces azoxybenzene with a yield of 90 % at 60 °C, but azobenzene with a yield of 96 % at 90 °C. When irradiated with natural sunlight (mean light intensity of 0.044 W cm−2) at about 35 °C, 70 % of the nitrobenzene is converted and 57 % of the product is azobenzene. The electrons of the copper nanoparticles gain the energy of the incident light through a localized surface plasmon resonance effect and photoexcitation of the bound electrons. The excited energetic electrons at the surface of the copper nanoparticles facilitate the cleavage of the NO bonds in the aromatic nitro compounds. Hence, the catalyzed coupling reaction can proceed under light irradiation and moderate conditions. This study provides a green photocatalytic route for the production of azo compounds and highlights a potential application for graphene.
31 citations