镍(Ⅱ)
镍(Ⅱ)的相关文献在1985年到2023年内共计41233篇,主要集中在化学、化学工业、废物处理与综合利用
等领域,其中期刊论文100篇、专利文献41133篇;相关期刊57种,包括江苏师范大学学报(自然科学版)、南开大学学报(自然科学版)、西安理工大学学报等;
镍(Ⅱ)的相关文献由49999位作者贡献,包括许开华、吴道洪、不公告发明人等。
镍(Ⅱ)—发文量
专利文献>
论文:41133篇
占比:99.76%
总计:41233篇
镍(Ⅱ)
-研究学者
- 许开华
- 吴道洪
- 不公告发明人
- 曹志成
- 李伟
- 张鹏
- 李长东
- 张军
- 刘玉强
- 张云河
- 肖冬明
- 王磊
- 王静静
- 王岩
- 张宝
- 王超
- 宋文臣
- 李红科
- 龙炳清
- 张凯
- 张健
- 薛逊
- 张伟
- 张涛
- 王强
- 陈庆
- 袁勇
- 杨志强
- 谷月峰
- 张磊
- 孙宁磊
- 陈龙
- 刘伟
- 王志兴
- 严靖博
- 李宁
- 王伟
- 孙晓峰
- 李新海
- 王少华
- 王辉
- 余海军
- 李岩
- 张杰
- 王平
- 张勇
- 王涛
- 张超
- 李勇
- 胡启阳
-
-
卫晓琴
-
-
摘要:
该文利用模板法合成了一例基于3d金属NiⅡ的配合物Ni(TAAB)(DMF)2.(C104)2(1,TAAB =四苯并[b,f,j,n][1,5,9,13]四氮杂环十六碳炔),并对其进行了详细的物理性质表征(IR,EA,TG,XRD)、单晶结构表征以及磁性表征.化合物1结晶在单斜C2/c空间群中,晶胞参数为:a = 16.916(17)?,b = 10.527(10)?,c=9.103(9)?,β=94.550(16)°,V = 1616(3)?3.该化合物为单核结构;磁性测量结果表明,该化合物表现出3d金属中心NiⅡ的顺磁性,为简单的顺磁体.
-
-
吴志杰;
何建业;
马琳琳;
李大枝
-
-
摘要:
以皂化2-乙基己基磷酸2-乙基己基脂(P507)为表面活性剂,选择不同类型的醇为助表面活性剂,正庚烷为有机相,构建微乳体系,研究微乳体系对钴(Ⅱ)和镍(Ⅱ)的萃取效率.考察醇的种类、pH、乳水比、震荡时间及水浴温度等对萃取效率的影响.研究发现:选择正丁醇为助表面活性剂,皂化P507、正丁醇、正庚烷的体积比为1:6:14,水浴温度298.15 K,外水相pH 4.5~6.0,乳水比1:8,振荡时间5分钟时,在外水相钴(Ⅱ)和镍(Ⅱ)浓度均为100 mg/L条件下,微乳体系对钴(Ⅱ)和镍(Ⅱ)具有较高的的萃取率,分别为98.8%和97.2%.萃取后的有机相用1.0 mol/L盐酸进行反萃,钴(Ⅱ)和镍(Ⅱ)的反萃率分别为91.3%和89.9%.
-
-
磨清;
董大朋;
赵海燕;
于乃森
-
-
摘要:
在咪唑(im)或者三乙烯四胺(tetraen)存在的条件下,反应Bu_4N[Fe (Tp)(CN)_3]和(Bu4N)[(Tp*) Fe(CN)_3](Tp=Tris(pyrazolyl) hydroborate,Tp*=hydridotris (3,5-dimethylpyrazol-1yl) borate)三氰基前驱物与Ni(Cl O4)2·6H_2O得到两个新型的氰基桥联{Fe_2Ni}异金属三核簇合物{[Fe(Tp)(CN)_3]_2[Ni(im)_4]}(1)和{[Fe(Tp*)(CN)_3]_2[Ni(tetraen)]}·12H_2O(2)。采用X射线单晶衍射法确定分子结构。在这两个晶体中,每个Fe^(Ⅲ)离子与三个氰基碳原子以及Tp (或者Tp*)阴离子中的三个氮原子配位。而每个Ni^(Ⅱ)离子与两个氰基氮原子以及来自四分子咪唑或者一分子三乙烯四胺分子中的四个氮原子配位,这些Ni^(Ⅱ)离子通过三氰基构筑单元相连接形成两个{Fe2Ni}三核簇合物。磁性测试表明,在晶体1和2中的低自旋Fe^(Ⅲ)(S=1/2)离子和高自旋Ni^(Ⅱ)(S=1)离子间存在强烈的链内铁磁性相互作用。
-
-
黄秋颖;
魏旭;
付林
-
-
摘要:
采用多功能配体2-(间羟基)苯基-4,5-咪唑二羧酸(m-OHPhH3 IDC)与四水合硝酸镍,在吡啶(py)的存在下,通过溶剂热反应,制得了了一个新型的四核配合物[Ni4(m-HOPhHIDC)4(py)8](1).采用元素分析、红外光谱以及X射线单晶衍射技术表征了其分子结构.研究了1在空气中的热分解特点.同时发现在相邻的镍离子间存在着反铁磁偶合作用,最佳的拟合参数为磁交换因子J=-9.49 cm-1,以及朗德因子g=2.15..%One novel tetranuclear nickel(Ⅱ)complex,[Ni4(m-HOPhHIDC)4(py)8 ](m-OHPhH3 IDC=2-(m-hydroxylphenyl)-1H-imidazole-4,5-dicarboxylic acid,py=pyridine)(1)has been solvothermally synthesized and structurally characterized by elemental analysis,thermogravimetric analysis,IR spectroscopy and single crystal X-ray diffraction. The thermal properties of 1 in air were in-vestigated. Also,it is discovered that there exists antiferromagnetic coupling between the neighboring Ni(Ⅱ)ions;the best fittings to the experimental magnetic susceptibilities gave J=-9. 49 cm-1 and g=2. 15.
-
-
高文皓;
余萍;
马慧;
郭鹏瑶;
高俊杰
-
-
摘要:
提出了通过纸色谱法测定含镍废水中镍(Ⅱ)的方法.使用十四烷基二甲基苄基氯化铵表面活性剂增敏PAR显色剂作为浸泡液制备试纸,考察了试纸使用时的最佳条件,建立了测定镍(Ⅱ)的新方法.线性范围为0.5~100.0mg/L,方法用于含镍废水中镍(Ⅱ)的测定,结果满意.
-
-
宋官龙
-
-
摘要:
研究了以1-(2-吡啶偶氮)-2-萘酚(PAN)-吐温-80为显色体系,采用分光光度法测定钢样中的镍(Ⅱ)。在氨-氯化铵缓冲溶液体系中,镍(Ⅱ)与PAN形成红色稳定的络合物。其最大吸收波长为568 nm,表面摩尔吸光系数为ε568=4.62×104 L·mol-1·cm-1。镍(Ⅱ)含量在0~15μg/(25 mL)范围内服从比尔定律。采用联合掩蔽剂消除样品中的铁(Ⅲ)、铜(Ⅱ)、钒(Ⅴ)、铅(Ⅱ)、等对镍(Ⅱ)离子的干扰。使用该方法测定了38#、45#钢样中的镍(Ⅱ)含量,其RSD分别为2.60%、0.10%,加标平均回收率分别为101.48%、104.96%。此方法具有良好的准确性、选择性,且操作简便、快捷,结果满意。%Ni(Ⅱ) in steel samples was determined by spectrophotometry using 1-(2-pyridylazo)-2-PAN-Tween-80 as coloration system in this article. In NH3H2O-NH4Cl buffer solution, Ni(Ⅱ) and PAN formed a steady complex compound. The maximum absorption of the compound was at 568 nm, and the apparent absorption coefficient was 4.62×104 L·mol-1·cm-1. Beer`s law was obeyed in the range of 0~15 μg/(25 mL) Ni(Ⅱ) solution. The interference of Fe(Ⅲ), Cu(Ⅱ), V(Ⅴ), Pb(Ⅱ) was eliminated by masking reagents. Ni(Ⅱ) in steel samples of 38# and 45# were determined. The RSDs were 2.60% and 0.10%, and the recoveries were 101.48% and 104.96%. This method is accurate, selective and simple, and the results are satisfactory.
-
-
-
罗世霞;
王安平;
顾曼琦;
张笑一;
卫钢
-
-
摘要:
The bis-β-diketone molecule incorporating 1,3-propanedithioether bridge between the γ-carbons of respective β-diketone units of 1,3-bis(3-thio-2,4-pentanedionate)propane(L1)had been synthesized,and then L1as a ligand reacted with Ni(Ⅱ)to form a nickel complex. The formula of Ni(Ⅱ) complex was determined by elemental analysis and molar conductance. The possible coor-dination mode of complex were concluded by comparison with the IR&UV spectral properties of the free ligand and its nickel(Ⅱ) complex. Additionally,the coordination behavior of nickel salts and bis-β-diketone ligand L1 in solutions and the liquid membrane transport property of L1 with Ni(Ⅱ) ion were also investigated by ultraviolet spectroscopy characterisation. The results showed that bis-β-diketone ligand L1 coordinate through four oxygen atoms bonding Ni(Ⅱ) ,and L1 had a good liquid membrane transport prop-erty for nickel(Ⅱ) ion.%合成了丙二硫醚桥联2个乙酰丙酮的双β-二酮分子1,3-二(3-硫醚基-2,4-戊二酮基)丙烷(L1),以此为配体与镍(Ⅱ)作用得到配合物,通过元素分析和摩尔电导分析方法确定了镍(Ⅱ)配合物的化学组成,比较分析了配位前后的游离配体与配合物的红外及紫外吸收光谱,采用紫外光谱滴定法对配体L1与Ni(Ⅱ)离子在溶液中的配位行为进行了模拟研究,并进行金属离子液膜传输实验考察了L1对Ni(Ⅱ)的液膜传输性能。结果显示,L1通过4个O原子与Ni(Ⅱ)配位成键形成配合物,且对Ni(Ⅱ)具有良好的液膜传输性。
-
-
李满秀;
郝晓凤;
王磊;
范晓丽
-
-
摘要:
A quantitative method for determination of nickel was established based on the fluorescence quenching effect of nickel ion on cadmium telluride( CdTe) quantum dots. The experimental results indicated that the fluores-cence attenuation degree of CdTe quantum dots was linear to the concentration of nickel ions in range of 2. 0×10-7-7. 8×10-5 mol/L under the following conditions:0. 5 mL of 1. 5×10-4 mol/L CdTe quantum dots solution (in Cd2+) and 50 μL nickel standard solution with different concentrations were added into 5 mL colorimetric tube successive-ly;the mixed solution was diluted to the mark with borax buffer solution at pH 10. 0;after reaction at room temper-ature for 10 min, the relative fluorescence intensity was determined at fluorescence emission wavelength of 608 nm with 400 nm as excitation wavelength. The equation of linear regression was F0/F=1. 008 9+0. 030 8ρ(μmol/L) with correlation coefficient of r=0. 998 7. The detection limit was 1. 5×10-7 mol/L. The proposed method was ap-plied to the determination of nickel ions in water sample. The results were consistent with those obtained by atomic absorption spectrometry (AAS). The relative standard deviation (RSD, n=5) was 5. 6%.%基于镍离子对碲化镉( CdTe)量子点荧光具有猝灭作用,建立了对镍离子的定量检测方法。实验表明,在5 mL比色管中依次加入0.5 mL 1.5×10-4 mol/L CdTe量子点溶液(以Cd2+计)、50μL不同镍离子浓度的标准溶液,用pH 10.0硼砂缓冲溶液定容,室温下反应10 min,以400 nm为激发波长,在荧光发射波长为608 nm处测定其相对荧光强度,CdTe量子点荧光衰减程度与镍离子浓度在2.0×10-7~7.8×10-5 mol/L范围内呈线性关系,其线性回归方程为F0/F=1.0089+0.0308ρ(μmol/L),相关系数r=0.9987,检出限为1.5×10-7 mol/L。方法用于水样中镍离子的测定,测得结果与原子吸收光谱法( AAS)一致,相对标准偏差( RSD,n=5)为5.6%。
-
-
邢蓓蓓;
李春玲;
王诗雨;
王奥兰;
邹丹玲;
张筱静;
朱广州
-
-
摘要:
以硝酸镍和3-(6-溴-2-吡啶基)吡唑为原料,以丙酮为溶剂,利用 H 管溶剂扩散技术,反应得到配合物水合-硝酸硝酸根·二[3-(6-溴-2-吡啶基)吡唑]合镍(Ⅱ).对目标化合物进行单晶 X 射线衍射表征,并解析晶体结构.晶体属于三斜晶系,空间群为 P-1,晶胞参数为 a =0.89500(4)nm,b =1.09274(5)nm,c =1.27798(6)nm,α=101.063(2)°,β=96.892(2)°,γ=112.374(2)°,V =1.10834(9)nm3,F (000)=636,Z =2,D =1.938 g/cm3,Mr =646.87,I >2σ(I )的衍射点有4309个,μ=4.538 mm-1,S =1.060,R 1=0.0281,R 2=0.0832.%With the technique of solvent diffusion in H tube at the room temperature,the complex [Ni(3-(6-bromo-2-pyridyl)pyrazole)2 (NO3 )]NO3 ·H2 O was synthesized by the reaction of the metal salt Ni(NO3 )2 and the ligand 3-(6-bromo-2-pyridyl)pyrazole in the solvent of acetone.The single-crystal X-ray study of the title compound showed that the compound crystalized in triclinic with the space group P-1 and the cell parameters a=0.895 00(4) nm,b=1.092 74(5)nm,c =1.277 98(6)nm,α=101.063(2)°,β=96.892(2)°,γ=112.374(2)°,V =1.108 34(9) nm3 ,F(000)=636,Z =2,D =1.938 g/cm3 ,Mr =646.87,the reflection of I >2σ(I )is 4 309,S =1.060,R 1 =0.028 1,R 2 =0.083 2.