搜索结果: 1-15 共查到“化学 nickel”相关记录28条 . 查询时间(0.015 秒)
Researchers Inadvertently Boost Surface Area of Nickel Nanoparticles for Catalysis（图）
Researchers Boost Surface Area Nickel Nanoparticles Catalysis
2017/12/18
Ni nanoparticles (NPs) catalyze many chemical reactions, in which they can become contaminated or agglomerate, resulting in poorer performance. We report deposition of silica (SiO2) onto Ni NPs from t...
Solid phase extraction of copper, nickel, and cobalt in water samples after extraction using surfactant coated alumina modified with indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption spectrometry
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/12/3
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
'Solid phase extraction of Copper, Nickel and Cobalt in water samples after extraction using surfactant Coated alumina modified with Indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/10/19
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
Electrochemical properties of 1-(o-, m-, p-nitrophenyl)-3-(m-nitrophenyl)- 5-phenylformazans and their nickel complexes
Formazans nickel complexes spectroscopy substituent effect
2010/10/18
The electrochemical properties of NO2 formazans and their Ni(II) complexes were investigated. The investigated formazans included a NO2 group at the o-, m-, and p-positions of the 1-phenyl ring and at...
Flame Atomic Absorption Spectrometry Determination of Trace Amounts of Nickel Ions in Water Samples after Ligandless Ultrasound-assisted Emulsification Microextraction
Flame Atomic Absorption Spectrometry Determination Trace Amounts Nickel Ions
2010/9/17
In the present work, a new ligandless-ultrasound-assisted emulsification microextraction (LL-USAEME) method was developed for preconcentration trace amounts of nickel as a prior step to its determinat...
Study of binary complexes of nickel(II), copper(II), and vanadium(V) with acetazolamide in aqueous medium by voltammetry
Acetazolamide Copper Nickel Vanadium Binary complexes Electronic Spectra Voltammetr
2010/4/8
The voltammetric behaviour of acetazolamide, the systemic carbonic anhydrase inhibitor, in the presence of some metal ions (Cu(II), Ni(II), and V(V)) were investigated using square-wave and cyclic vol...
Nickel and helium evidence for melt above the core–mantle boundary
core–mantle boundary Nickel helium evidence
2014/4/8
High
3
He/
4
He ratios in some basalts have generally been interpreted as originating in an incompletely degassed lower-mantle
source
1–9
. This helium source may have been isolated at the core...
Synthesis and Characterization of Tetraoxime Ligand, Bis-[(2E,3E,2´E)-3,3´-(1,2-Phenylene-Dinitrilo)dibutan-2-One Dioxime] and Its Dinuclear and Tetranuclear Copper(II)/Nickel(II) Complexes
Tetraoxime dinuclear tetranuclear copper and nickel complexes
2010/4/9
A new tetraoxime, (H4L), was prepared in EtOH by reacting biphenyl-3,3´,4,4´-tetramine with butane-2,3-dione oxime. The tetraoxime ligand was characterized by elemental analyses, H-NMR and...
Orthogonal Signal Correction -- Partial Least Squares Method for Simultaneous Spectrophotometric Determination of Nickel, Cobalt, and Zinc
Nickel cobalt zinc determination spectrophotometric PLS OSC
2010/4/16
The simultaneous determination of nickel, cobalt, and zinc mixtures by spectrophotometric method is a difficult problem in analytical chemistry, due to spectral interferences. By multivariate calibrat...
摘要 4-Morpholinoacetophenone thiosemicarbazone, MAPT, and its nickel(II) and copper(II) complexes have been prepared and characterized by elemental analysis, magnetic susceptibility, spectral methods (...
A New Method of Synthesis of Azo Schiff Base Ligands with Azo and Azomethine Donors: Synthesis of N-4-Methoxy- benzylidene-2-(3-hydroxyphenylazo)-5-hydroxy- aniline and Its Nickel(II) Complex
synthesis azo compound Schiff base ligand azo and azomethine donor
2007/12/19
摘要 A new method for the synthesis of azo Schiff an base ligand in which the azo and azomethine groups are coordination sites was developed through a Schiff base precursor. The precursor, N-4-methoxybe...
Synthesis and Characterization of Complexes of Copper(II), Nickel(II) and Cobalt(II) with vic-Dioximes Bearing N'-p-Aminobenzoyl Benzaldehyde Hydrazone
dioxime hydrazone complex extraction
2007/12/13
摘要 Six different arylhydrazone derivatives of p-aminobenzoic hydrazide of vic-dioximes were synthesized by reaction of chloroglyoxime and dichloroglyoxime with N'-p-aminobenzoyl benzaldehyde, 4-hydrox...
专著信息
书名
Ethylene Oligomerization Catalyzed by Nickel(II) Diimine Complexes
语种
英文
撰写或编译
作者
Mingxing Qian,Mei Wang,Ren He,Yuliang Zhang
第一作者单位
出版社
Chinese J. Chem. 20(7): 676-680, 2002
出版地
出版日期
2002年
月
...
The Enhanced Electrochemiluminescence of Luminol on the Nickel Phthalocyanine Modified Electrode
2007/7/28
专著信息
书名
The Enhanced Electrochemiluminescence of Luminol on the Nickel Phthalocyanine Modified Electrode
语种
英文
撰写或编译
作者
Jian Wang,Guonan Chen,Jingling Huang
第一作者单位
出版社
The Analyst, 130 (2005) 71-75
出版...
期刊信息
篇名
“Carbon-coated iron and nickel nanocapsules produced by arc discharge in ethanol vapor”,
语种
英文
撰写或编译
作者
P.Z. Si,Z.D. Zhang,D.Y. Geng,C.Y. You,X.G. Zhao and W.S. Zhang
第一作者单位
刊物名称
Carbon
页面
41 ...