冠醚
- 名crown ether
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饱和漆酚冠醚PVC膜铅(Ⅱ)离子选择电极的研究
Lead (ⅱ) ionselective PVC membrane electrode based on saturated urushiol crown ether
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用~1H-NMR研究EDTA衍生物冠醚的配合作用
~ 1H-NMR Study on the Complex Properties of Crown Ether Derivatives of EDTA
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同时还讨论了盐及冠醚链长对裂分Cotton效应的影响。
The effects of salt and chain length on split CD were also discussed .
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饱和漆酚冠醚PVC膜钾离子选择电极的研制
STUDY OF SATURATED URUSHIOL crown ether type PVC membrane potassium electrode
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几种查耳酮冠醚衍生物的PVC膜钾离子选择电极的研究
Potassium Ion Selective PVC Membrane Electrodes Based on Chalcones Crown Ethers as Carrier
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R为芳基时则在分子的冠醚部份首先发生裂解。
But R is an aromatic group the cleavage at the crownether parts in their molecules is predominant process .
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开链冠醚萃取Am、Pu、Np、U的初步研究
A preliminary study on Extraction of am , pu , np , u by podands
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某些冠醚化合物的XPS内壳及其价带谱研究
XPS spectra of the inner shell and the valence band of some crown ethers
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用~(23)NaNMR研究冠醚与钠离子的配位反应动力学
~ ( 23 ) Na NMR Study of Coordination Reaction Kinetics of Sodium Ion with Crown Ether
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在盐酸介质中,高分子冠醚对金的吸附率可达100%,吸附的金可被硫脲完全解吸,吸附容量为19.40mg/g;
The ad ˉ sorption efficiency for gold is100 % in hydrochloric acid and the gold absorbed can be eluted off with sulfourea .
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Schiff碱型双冠醚的合成及性质
The synthesis and the property of hine Schiff base type Bis-Crown
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冠醚化双Schiff碱钴(Ⅱ)配合物的氧合性能研究
Studies on dioxygen affinity of crowned binary Schiff base cobalt (ⅱ) complexes
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冠醚树脂对Au、Pt、Pd的吸附及微量Au的富集
Adsorption Property of Crown Ether Resin on Au , Pt , Pd and its Enrichment of Trace Au
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EDTA冠醚衍生物酸离解常数和络合物稳定常数的测定
Crown ether derivatives of EDTA determination of acid dissociation constant and complex stability constant
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Schiff碱型和仲胺型双冠醚的合成和配位性能
Syntheses and Properties of Schiff Base Type and Secondary Amine Type Bis-Crown Ethers
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冠醚Schiff碱及冠醚异羟肟酸仿加氧酶和仿水解酶研究
Studies on Oxygenase-mimic and Hydrolase-mimic of Crowned Schiff Bases and Crowned Hydroxamic Acids
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考察了取代基R和冠醚环配合的钾离子对二氧加合物形成及稳定性的影响。
The influence of the substituted groups R in ligands and potassium ion in the crown ring on formation and stability of dioxygen adducts was investigated .
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Schiff碱型羧酸开链冠醚溶解性及酸离解常数的测定
The determination of Schiff base - acyclic crown ethers dissolubility and acid dissociation constant
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利用有机萃取剂18-冠醚-6将Sr(Ⅱ)定量萃取分离后,采用吸光光度法对Sr(Ⅱ)进行定量分析。
Sr (ⅱ) can be quantitatively separated by using 18 crone 6 as extractant , and determinated by spectrophotometry .
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EDTA冠醚衍生物&Ⅷ.两个长桥链双冠醚的合成
CROWN ETHER DERIVATIVES OF EDTA & ⅷ . Synthesis of Two Bis-Crown Ethers Bearing Long Briged Chain
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有色冠醚的研究Ⅱ.4-(N,N-二甲基氨基)苯-1-偶氮-(4-苯并15-冠-5)及其类似物的光谱
Studies on colored crown ethers ⅱ . the absorption spectra of 4 - ( n , n-dimethylamino ) benzene-1-azo - ( 4-benzo-15 - crown - 5 ) and its analogs
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镧与西佛碱的络合物Schiff碱型羧酸开链冠醚的合成
The Schiff Base Complexes of Lanthanum
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开链冠醚Schiff碱-稀土配合物的合成、表征及近红外发光光谱研究
Synthesis , characterization and near-Infrared luminescence of rare earth complexes with a noncyclic crown-type Schiff base
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含嘧啶环的双冠醚&Ⅲ.用双冠醚作载体的PVC膜离子选择性电极性质的研究
Bis-Crown ether containing pyrimidine ring & ⅱ . sodium , potassium and caesium ion selective PVC membrane electrodes based on Bis-Crown ethers as carrier
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研制了以中性载体冠醚A1为电活性物的涂碳罂粟碱敏感膜电极。
The neutral carrier membrane electrode of papaverine was developed for the quantitative determination of papaverine in Chafing dish .
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Schiff碱型和仲胺型双冠醚Ⅱ.用双冠醚作载体的PVC膜钾离子选择性电极
Schiff Bases and Secondary Amines Containing Two Benzo-15-crown-5 Units II . Potassium Ion Selective PVO Membrane Electrodes Based on Bis-Crown Ethers as Carrier
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报道了双羟甲基-18-冠-6及其正丁基、烯丙基、酯基、羧酸基衍生物的合成。所合成的八种新冠醚化合物的结构已经IR、MS、NMR、元素分析证实。
In this paper , bis ( hydroxymethyl ) - 18-crown-6 and seven derivatives were synthesized and characterized by elemental analyses , MS , IR and1H NMR spectroscopy .
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非手性芳香冠醚同β-环糊精配位时所诱导出的圆二色性(ICD)研究
Induced circular dichroism study in achiral aromatic crown ethers by complexing with β - cyclodextrin
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含TTF的氮硫杂冠醚的合成含硫含氮功能配合物的研究
Study on Functional Coordination Compounds with Sulfur and Nitrogen
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含NS和NNSS供电子原子的钌(Ⅱ)羰基配合物(英文)含硫套索冠醚的合成
Ruthenium (ⅱ) Carbonyl Complexes Containing NS and NNSS Donor Atoms