In a typical procedure 50 mL of M nickel II nitrate hexahydrate Ni NO 3 2 O and 10 mL of M copper II nitrate trihydrate Cu NO 3 2 0 were added dropwise into 20 mL of leaf extract to prepare the Cu NiO catalyst The mixed solution was then stirred for 30 min at room temperature using a magnetic stirrer with a stirring
The nickel nitrate solid was input into a 1000 mL volumetric flask then The purpose of the drying is the best result was achieved from the mm feed on the −400 mesh
They dissolved nickel nitrate in a solution of isopropanol and polyethylene glycol v/v 1 1 and then ammonium hydroxide was added to reach pH = 11 Triton X 100 was added as surfactant to avoid particle agglomeration This solution was heated at 80 °C until the gel was formed After drying the obtained material was sintered at 450 °C
Nickel is a hard lustrous silvery white metal It has a density of g/cc a melting point of 1 453°C and a vapor pressure of 10 4 Torr at 1 262°C Its key characteristics are malleability ductility and ferromagnetism and its polished surface resists tarnishing when exposed to air
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The nickel boride/nickel catalyst was prepared by reacting NaBH 4 with nickel nitrate sample annealed at 400 °C exhibits the best black precipitate was vacuum dried at 60 °C
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Herein we successfully prepared the Nickel oxide NiO nanomaterials with the structure of two dimensional 2D honeycomb like nanoplates assembled by nanosheet arrays through the hydrothermal
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Using L malic and 4 4′ bipyridine as linkers and Ni and Co as metal centers a series of bimetallic metal organic frameworks MOFs; Ni n Co m MOFs n m = 4 1 2 1 1 1 and 1 2 with a layer and channel structure were hydrothermally synthesized Owing to the joint action of Co and Ni as well as internal crystal properties the Ni n Co m MOFs presented a
The objective of this research is to study the influence of film thickness on the optical and electrical properties of prepared NiO thin films Nickel oxide thin films have been prepared on the glass substrates by a spin coating technique using nickel nitrate hexahydrate Ni NO 3 2 O as a source of materials The coating process was
Abstract Spinel oxides received widespread research interest because of versatility involved in various properties which are tunable as per disparity in composition morphology defects doping sites structure lattice dynamics interactions surface area substrate and so on Due to the significant multifunctional applications it is vital to probe these
The crystals of NiO MOF were collected through filtration repeatedly washed with DMF to washout extra organic materials followed by drying in vacuum oven at 80 °C Synthesis of activated carbon
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FT IR Study The surface functional groups of the synthesized NiO nanoparticles were studied by FTIR spectroscopy in the range of 600 4000 cm −1 as shown in Fig observed peaks in the range of 620 cm −1 are assigned to the Ni O stretching mode of vibrations and thus confirming the formation of NiO nanoparticles The broad absorption
nickel nitrate hexahydrate CAS 13478 00 7 Ni NO3 2·6H2O CAS CAS 134 CAS 13478 00 7 。℃；137℃；d 2 05。。。0
There is a strong push to develop new catalysts and supports to convert low value CO2 into high value CH4 Here authors found that the internal or external confinement of Ni on multi layered
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The nitrate reduction rate of Fe/Ni nanoparticles augmented dramatically with increasing Ni content in the range of 0 % to % and reached a maximum at % Ni content Nitrate was completely removed within 40 min and approximately % of nitrate was ultimately converted to ammonium by Fe/Ni nanoparticles Fig 5 c
In 2008 the Commission of the European Communities concluded an extensive evaluation of the human health and environmental effects of metallic nickel and a group of nickel compounds including nickel sulfate nickel chloride nickel nitrate nickel carbonate nickel sulfides Ni 3 S 2 and NiS and nickel oxides NiO Ni 2 O 3 and NiO 2 As a
Over the last decade nickel nanoparticles NiNPs have been investigated for various potential applications due to their superior ferromagnetic properties such as magneto crystalline anisotropy high coercive forces and chemical stability Therefore there has been a tremendous enhancement in the synthesis techniques proposed reaction mechanisms and applications of
