Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.
成了一种席夫碱金属
物——呋喃
乙二胺
物,收率为63。
Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.
成了一种席夫碱金属
物——呋喃
乙二胺
物,收率为63。
The samples were ignited, then bismuth subcarbonate in residue was determined by compleximetry.
供试品经有机破坏后,采用滴定法测定制剂中碱式碳酸铋的含量。
The ZnO and Cu product can be obtained through ammino complexation and method of substitution.
研究采用氨转换方法,制备了医用或化妆品活性氧化锌等产品。
The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.
聚物载体-钕
物催化剂具有很高的催化活性
定向效应.
METHODS The contents of matrii sulfas exsiccatus and alumen exsiccatum were determined by gravimetric method and EDTA complexometric titration.
方法用重量法及EDTA滴定法对玄明粉
枯矾进行定量分析。
The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
用HPLC法测定儿茶素熊果酸,硫酸-苯酚法测定多糖,
滴定法测定鞣质的含量。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
成了带双羟烷基及双
酸
酯基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-
物。
Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.
茜素指示剂是在碱性条件下由茜素、
亚氨基二乙酸缩
而成。
The type, character istic, mechanism of formation reaction and application of multi-component complex using bisazo derivative of chromotropic acid as ligand are introduced.
综述了变色酸双偶氮衍生物有关多元物的类型、特点、形成机理及应用概况。
In acidic medium, the interaction of potassium dihydrogen phosphate with ammonium molybdate, potassium antimonyl tartrate and ascorbic acid result in blue compound complex.
在酸性介质中,磷酸二氢钾与钼酸铵、酒石酸锑钾及抗坏血酸作用,生成蓝色的物。
Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.
制备了两种不同的含氮高分子-钯物,并研究了它们对对硝基
苯的催化活性。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四基硅烷/
烷混
反应气,采用DEP技术,测定12个金属血卟啉
物的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果电喷雾质谱(ESI-MS)数据,亚砜化反应的机理推测为分子内亲核氧转移到
的硫醚底物上。
A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.
建立用乙二胺四乙酸(EDTA)滴定法测定异辛酸镍中镍含量的方法。
Here a series of lanthanide-galactitol complexes were prepared and characterized by Raman spectroscopy.The results show that the Raman spectra of the complexes have been changed substantially.
应用拉曼光谱研究了一系列稀土离子半乳糖醇物,结果表明,在形成
物以后,拉曼光谱发生明显变化。
When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.
在无水乙酸锌与1,5-萘二胺形成配位物的过程中,无水乙酸锌的结构从双齿型转变成单齿型。
According to the problems in dyes production,the role of cupric ion in coupling-cupric complexation was discussed,and the chelated forms of formazane reactive dyes were introduced.
并结生产
应用中的实际问题,对偶
-
一步完成中
盐的作用、
物的啮
形式及其性能等研究成果进行了介绍。
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