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
定制剂中碱式碳酸铋的含量。
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
定制剂中碱式碳酸铋的含量。
Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.
成了一种席夫碱金属
物——呋喃甲醛
二胺铜
物,收率为63。
The ZnO and Cu product can be obtained through ammino complexation and method of substitution.
研究采用

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和定向效应.
The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
用HPLC法
定儿茶素和熊果酸,硫酸-苯酚法
定多糖,
滴定法
定鞣质的含量。
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
滴定法对玄明粉和枯矾进行定量分析。
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甲酸甲酯基取
的两种双二硫

基四硫
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、甲醛和
基二
酸缩
而成。
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。
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。
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.
基于这些结果和电喷雾质谱(ESI-MS)数据,
砜化反应的机理推
为分子内亲核氧转移到
的硫醚底物上。
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甲苯的催化活性。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混
反应气,采用DEP技术,
定12个金属血卟啉
物的解吸化学电离质谱。
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
酸锌与1,5-萘二胺形成配位
物的过程中,无水
酸锌的结构从双齿型转变成单齿型。
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
二胺四
酸(EDTA)
滴定法
定异辛酸镍中镍含量的方法。
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
生产和应用中的实际问题,对偶
-铜
一步完成中铜盐的作用、甲铜
物的啮
形式及其性能等研究成果进行了介绍。
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。
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