Cobalt(Ⅱ)相关论文
Synthesis, crystal structure and magnetic properties of Cobalt(Ⅱ)-hexafluoro-acetylacetonate complex
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A “naked eye” and ratiometric chemosensor for cobalt(Ⅱ)based on coumarin-thiourea platform in aqueou
A novel ratiometric and colorimetric chemosensor based on coumarin-thiourea platform has been synthesized for cobalt(Ⅱ)......
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Properties and Structure of a Mononuclear Co (Ⅱ) Complexe Based on the 4, 5-Di(1H-tetrazol-5-yl)-2H-
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设计并合成了基于4-氨基吖啶酮和吲哚的小分子荧光探针4-(((1H-吲哚-3)苄基)氨基)吖啶-9(10H)-酮(AAY),结构经过氢谱和碳谱确认。......
Hydrothermal Syntheses and Crystal Structures of Two Metal-organic Complexes with 2,3-Pyridinedicarb
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Temperature-dependent Polymorphism in Co(Ⅱ)Coordination Polymers from 5-Nitroisophthalate and 1,3-Bi
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Hydrothermal Synthesis and Crystal Structure of One 3D Coordination Polymer of Cobalt(Ⅱ) Achieved fr
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Simple,Selective,and Sensitive Spectrophotometric Method for Determination of Trace Amounts of Nicke
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Hydrothermal Synthesis and Crystal Structure of a New Three-dimensional Co(Ⅱ) Coordination Polymer B
A new Co(II)polymer[Co(tdc)(1,4-bimb)]n1(H2tdc=thiophene-2,3-dicarboxylic acid,1,4-bimb=1,4-bis(imidazol-1-yl)butane)was......
One novel entangled cobalt compound, {[Co(nbta)(4,4-bpy)(HO)](HO)}n (1,Hnbta=5-nitro-1,2,3-benzenetricarboxylic acid, 4,......
Simple,Selective,and Sensitive Spectrophotometric Method for Determination of Trace Amounts of Nicke
A selective and sensitive reagent of 2-pyridine carboxaldehyde isonicotinyl hydrazone(2-PYAINH)was synthesized and studi......
用分光光度法测定了在25℃时,pH值一定的条件下,以NaClO<sub>4</sub>为支持电解质的水溶液中Mn(Ⅱ)-PAR,Co(Ⅱ)-PAR显色反应的离子强度......
<正> 有关Co(Ⅱ)、Ni(Ⅱ)萃取分离的研究一直受到人们的重视。Preston报导了硫氰酸季铵盐(Q~+SCN-)萃取Co(Ⅱ)、Ni(Ⅱ)的平衡研究,......
合成了N,N‘—二羧甲基大环醚双内酯与铜(Ⅱ)、钴(Ⅱ)的4个固态配合物。经元素分析、红外光谱、紫外光谱和热重分析确证,得到了两......
研究了微乳液介质中, 在pH=10.0硼砂-氢氧化钠缓冲溶液时,钴与苯基荧光酮(PF)显色生成稳定的1∶2配合物, 在637 nm处摩尔吸光系数......
研究了在Tween-80和CTMAB混合离子表面活性剂存在下,钴与1-(2-吡啶偶氮)-2-奈酚(PAN)的显色反应.结果表明,在碱性条件下,Co2+与PAN......
大孔膦酸树脂吸附钴的性能及其机理熊春华,莫建军(丽水师专化学系,丽水323000)林峰(杭州大学化学系,杭州310028)关键词胰酸树脂,钴,吸附大孔磷酸树脂的合......
研究了双水杨醛邻苯二胺(SALOPHEN)与Co(Ⅱ)的显色反应,试验表明,在pH10.0的硼砂-氢氧化钠缓冲介质中,Co(Ⅱ)与双水杨醛邻苯二胺(S......
应用pH电位滴定法研究了三元配合物Co(L-phe)(Aaz)[L-phe为苯丙氨酸根,Aa-为L-val(缬氨酸根)、L-leu(亮氨酸根)、L-ile(异亮氨酸根......
用非均一法碱处理甲壳素,制得不同脱乙酰度的壳聚糖,研究其对金属离子钴(Ⅱ)、锰(Ⅱ)的吸附性能,同时考察了温度、时间、氨基含量对吸附的......
提出了钴(Ⅱ)-茜素红-罗丹明B-聚乙烯醇体系光度法测定钴(Ⅱ)的新方法.该方法灵敏度高,ε=3.28×105L@mol-1@cm-1,线性范围为0......
研究了在硫酸铵存在下丙醇-亚硝基R盐-溴化十六烷基三甲铵体系萃取钴(Ⅱ)的行为及丙醇水溶液的分相条件,结果表明,在pH 6.2的NaOH-......
研究了用季铵盐从含氯化钠接近饷的溶液中萃取分离二价金属离子钴、铁、锰的方法。实验结果表明,以含少量异辛醇改性剂的季铵氯化物......
文章研究了在 Co(Ⅱ)-XO体系中,几种表面活性剂对该体系显色反应的增敏效果.结果表明:在pH=5.7醋酸-醋酸钠的缓冲溶液中,表面活性......
碱性介质中,对氨基苯磺酸与过氧化氢作用,经钴(Ⅱ)催化后产物的最大吸收波长为332nm,且吸光度增加值ΔA与一定范围内的钴量成线性关系。本法用......
测出钴(Ⅱ)与组氨酸的紫外可见吸收光谱和配合反应的热力学摩尔吸光系数,比较Co(Ⅱ)与组氨酸形成不同组成的配合物的稳定性。......
以4-硝基邻苯二甲酰亚胺、氯化钴(Ⅱ)、尿素及钼酸铵为原料,采用熔融法于180℃合成了2,9,16,23-四硝基酞菁钴(Ⅱ),通过元素分析和IR光谱......
研究了在微乳液介质中,pH=10.0时,钴与邻氯苯基荧光酮(o-CPF)显色生成稳定的1:2配合物,在650nm处摩尔吸光系数为1.31×105L@mo......
以间苯二酚、对硝基苯胺、正丁醛为原料,合成了一种外向式杯[4]芳烃偶氮衍生物,并研究其与钴(Ⅱ)的显色反应条件.实验结果表明:在......
以5-硝基间苯二甲酸(H2nip)作为主配体、4,4’-二吡啶胺(dpa)为辅助配体,在不同溶剂中合成了2种Co(Ⅱ)配合物{[Co3(μ3-OH)(μ2-OH......
用pH-电位滴定法测定了三元配合物MAB(其中M=Co ̄(2+)、Ni ̄(2+),A为2,2'-联吡啶(bipy)、邻菲咯啉(phen),B为顺丁烯二酸根(male ̄(2-))、丁二酸根(succ ̄(2-))、邻苯二甲酸根(phth ̄(2-))、4-硝基邻苯二甲酸根(npht ̄(2-)))在25℃、离子强......
pH电位法研究了镉(Ⅱ)、钴(Ⅱ)与邻二氮菲和甘氨酸、丙氨酸、缬氨酸、亮氨酸、苯丙氨酸和色氨酸等配体在37℃、离子强度I=0.02(NaC......
Hydrothermal Synthesis and Characterization of a Novel Supramolecular Network Compound [Co(IN2)(H2O)
A novel supramolecular compound, [Co(IN)2(H2O)4](1), was synthesized by means of the hydrothermal method and its structu......
Two new cobalt(Ⅱ)complexes[Co2(2,2?-bipy)2(dpa)2(H2O)5]·4H2O(1)and Co(2,2?-bipy)3(SO4)]·7.5H2O(2)have been sy......
StudyonCobalt(Ⅱ)IonprobeforCysteineDeterminationZhangGuizhu,WangYuemei,ZhaoPeng,HeXiwen,ShiHuiming(张贵珠)(王月梅)(赵鹏)(何锡文)(史慧明)Dep.........
在pH3.8的H2SO4-NH4Ac介质中,Co(Ⅱ)-β-巯基丙酸(MPA)-NaNO2体系产生-灵敏的极谱催化波,峰电位在-0.84V(vs.SCE)钴浓度在0.02~100ng/mL范围内与峰电流呈线性关系,检出限为0.01ng/mL。本文对极谱波的性质和机理......
SynthesisandMagnetismof2┐Hydroxy┐1,3┐propylene┐bis(oxamato)┐bridgedCoⅡCuⅡCoⅡComplexesMIAOMing-ming,CHENGPeng,LIAODai-zhengJIA.........
Infrared Spectroscopic and Theoretical Studies on Cobalt(Ⅱ) Complex of Maleinitriledithiolate and 4,
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1IntroductionInviewofthefactthatS,Pdonorsaffordsimilarelectronicconfigurations,softandharddegreesaswelascoordinationabiliti.........
报导了四个单核Co(Ⅱ)和Fe(Ⅱ)的配合物[Co(L1)2](ClO4)2·(CH3CN)(1),[Fe(L1)2](ClO4)2·(H2O)(2),[Co(L2)](ClO4)2(3),以及[Fe(L2)](ClO4)2·2H2O(4),(其......
研究钴与二溴羟基苯基荧光酮在溴化十六烷基吡啶-乳化剂OP复配型微乳液介质中的显色反应,钴与DBH-PF在pH0.5的硼砂-氢氧化钠缓冲溶液中,形成1:3的稳定配......
Synthesis, Crystal Structure and Spectral Property of a Water-bridged Co(Ⅱ) Coordination Polymer wit
A new cobalt complex with flavonoid carboxylate ligand was synthesized and characterized. X-ray diffraction data reveale......