نتایج جستجو برای: niwo4 nanoparticles

تعداد نتایج: 107107  

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

in this research, the adsorption destructive process of chlorpyrifos (cp,o,o-diethyl-o-3,5,6-trichloro-2-pyridinyl phosphorothioate) as a noticeable organophosphate pesticide using in agriculture on the nickel tungstate (niwo4) nanoparticles catalyst was investigated and monitored via the 31p nuclear magnetic resonance (31pnmr). the effects of various experimental parameters such as catalyst do...

Journal: :Chemical communications 2010
Yunfei Bi Hong Nie Dadong Li Shuangqin Zeng Qinghe Yang Mingfeng Li

NiWO(4) nanoparticles have been facilely synthesized by a hydrothermal approach, and used as a catalyst for the hydrodesulfurization of thiophene and its derivative 4,6-dimethyldibenzothiophene, showing a significantly higher activity than commercial NiW/Al(2)O(3).

In this research, the adsorption destructive process of chlorpyrifos (CP,O,O-Diethyl-O-3,5,6-trichloro-2-pyridinyl phosphorothioate) as a noticeable organophosphate pesticide using in agriculture on the nickel tungstate (NiWO4) nanoparticles catalyst was investigated and monitored via the 31P nuclear magnetic resonance (31PNMR). The effects of various experimental parameters such as catalyst do...

In this research, the adsorption destructive process of chlorpyrifos (CP,O,O-Diethyl-O-3,5,6-trichloro-2-pyridinyl phosphorothioate) as a noticeable organophosphate pesticide using in agriculture on the nickel tungstate (NiWO4) nanoparticles catalyst was investigated and monitored via the 31P nuclear magnetic resonance (31PNMR). The effects of various experimental parameters such as catalyst do...

2013
Siti Murni M Zawawi Rosiyah Yahya Aziz Hassan H N M Ekramul Mahmud Mohammad Noh Daud

BACKGROUND Metal tungstates have attracted much attention due to their interesting structural and photoluminescence properties. Depending on the size of the bivalent cation present, the metal tungstates will adopt structures with different phases. In this work, three different phases of metal tungstates MWO4 (M= Ba, Ni and Bi) were synthesized via the sucrose templated method. RESULTS The pow...

2016
Sivakumar Mani Veeramani Vediyappan Shen-Ming Chen Rajesh Madhu Veerakumar Pitchaimani Jia-Yaw Chang Shang-Bin Liu

A facile hydrothermal route for the synthesis of ordered NiWO4 nanocrystals, which show promising applications as high performance non-enzymatic glucose sensor is reported. The NiWO4-modified electrodes showed excellent sensitivity (269.6 μA mM(-1 )cm(-2)) and low detection limit (0.18 μM) for detection of glucose with desirable selectivity, stability, and tolerance to interference, rendering t...

2001
A. Kuzmin J. Purans R. Kalendarev D. Pailharey Y. Mathey

Systematic studies of nanocrystalline nickel tungstate, NiWO4, thin films were performed by several experimental techniques such as Ni Kand W L1,3-edges X-ray absorption spectroscopy, X-ray diffraction, Raman spectroscopy, atomic force microscopy and cyclic voltammetry measurements. We found that the NiWO4 thin films exhibit electrochromic properties similar to that of amorphous tungsten trioxi...

Journal: :Catalysts 2023

The discharge of pharma products such as paracetamol (PCT) into water has resulted in great harm to humans and emerged a potential threat requiring solution. Therefore, the development smart efficient materials photocatalysts become imperative order treat PCT wastewater. present study demonstrates synthesis pristine NiWO4 CoWO4 heterojunction nanostructure, NiWO4/CoWO4, through hydrothermal pro...

Journal: :Coatings 2022

Hydrogen is a great sourcez of energy due to having zero emission carbon-based contents. It found primarily in water, which abundant and renewable. For electrochemical splitting water molecules, it necessary use catalytic materials that minimize consumption. As famous carbon material, graphitic nitride, with its excellent physicochemical properties diversified functionalities, presents potentia...

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