浓盐酸

用氯化亚锡、锡、浓盐酸和乙醇的还原体系，将2.2二（4羟基3硝基苯基）丙烷还原为阻燃剂的中间体2.2二（3氨基4羟基苯基）丙烷。

Bis ( 4 hydroxy 3 nitrophenyl ) propane can be reduced to 2,2 bis ( 3 amido 4 hydroxyophenyl ) propane which is an intermediate of fire retardant by reduced system of SnCl 2 , Sn , HCl and alcohol .

耐浓盐酸介质的铸造高性能合金的研究

Research on the High Resistance Cast Alloys for Corrosion Resistance in Concentrate Hydrochloric Acid

结果表明90%以上的Ga随Al一道进入浸出液，碱浸渣中富集了Sc与Nb，用浓盐酸可将Sc定量溶出，而Nb难于溶出。

The result showed that over 90 % of gallium goes to leachate together with Al . Sc and Nb is upgraded from acid-leach residue .

而在浓盐酸中，以苯基荧光酮为显色剂，苯基荧光酮与锗（IV）离子生成络合物。

And in concentrated hydrochloric acid , when phenylfluorone is used as chromogenic reagent , the chromogenic reagent reacts with Ge ( IV ) ions to form complex .

用玻璃电极测定直到15m的浓盐酸体系的活度系数

Determination of mean activity coefficients of hydrochloric acid in concentrated solutions up to 15m with glass electrode

在此基础上，研究了溶液浓度、粘土加入量和悬浮液的pH值等因素对浓盐酸处理凹凸棒粘土吸附Cd2+性能的影响。

On this base , the effects of concentration of Cd ~ ( 2 + ) solution , pH value of adsorption solution and amount clay on adsorption properties of acid-treated palygorskite clay for Cd ~ ( 2 + ) were studied .

本文用在Fe/高浓盐酸界面上H~+Cl~-分子达到饱和吸附，U又较强地吸附在H~+Cl~-表面这一观点，对上述现象进行了定性的解释。

These phenomena are explained by saturated adsorption of H ~ + Cl ~ - " molecules " in concentrated HC1 and the further adsorption of U on H ~ + Cl ~ - layer at the Fe / solution interface .

我们设计了一条合成路线，以甲基睾酮为起始原料，经双氧水环氧化、浓盐酸氯代、DDQ在C-1位选择性脱氢三步反应，以36%的总收率合成了脱氢氯甲睾酮。

Using methyltestosterone as starting material , the target compound was obtained through four steps including oxidation by hydrogen peroxide , chlorination by concentrated hydrochloric acid , dehydrogenation by DDQ . The total yield is 36 % .

浓盐酸解吸工艺在生产中的应用

Application of concentrated hydrochloric acid desorption process in production

用氯离子选择电极测定浓盐酸的活度系数及氯离子吸附效应的探讨游离氯离子（Cl~-）的测定

Determination of activity coefficients in concentrated hydro-chloric acid with Cl-ISE and study of adsorption of Cl-ion

论酸法锑白工艺浓盐酸解吸工艺在生产中的应用

Discussion on the Technology of Antimony White Produced by Acidation Application of concentrated hydrochloric acid desorption process in production

用浓盐酸水解纯化多糖后做纸层析，结果表明刺参多糖中含有岩藻糖、氨基半乳糖和葡萄糖醛酸。

There 's fucose , aminogalactose , and glucuronic acid in SJP , according to the result of paper chromatography .

在搅拌和冰浴冷却下，逐渐加入适量浓盐酸和锌反应。

A quantity of concentrated hydrochloric acid sufficient to react with the zinc was added gradually with stirring and cooling .

该法简单快速，消耗试剂少，成功用于浓盐酸和浓硫酸浓度的测定。

This method is simple , rapid and accurate , and was successfully applied in the determination of sulfuric acid and hydrochloric acid .

以浓盐酸为催化剂，采用乙酸酐酯化处理水溶性栀子蓝色素，制备了憎水性栀子蓝色素。

The hydrophobic gardenia blue pigment was prepared with the water-soluble gardenia blue pigment esterified by acetic anhydride , and catalyzed by hydrochloric acid .

本文采用雷尼镍催化剂吸附乙撑硫脲中的硫，生成硫化镍，加入浓盐酸，使硫化镍全部转化为硫化氢，通过气相色谱测定顶空气体中硫化氢的含量，可间接测定乙撑硫脲的含量。

The content of ethylenethiourea in Chinese cabbage is progressively analysed by raney-niccolum catalyst absorption , dense hydrochloric acid acidation and gas chromatography determination .

药效学试验表明，蝇蛆油溶液对浓盐酸引起的化学致炎及烧伤具有明显的治疗作用。

The results of pharmacological tests showed that the grease of housefly larva was an efficacious drug to inflammatory lesion caused by heat or dense hydrochloride .

结果表明，含Ni50～60%的铸造高性能合金在温度为50℃的浓盐酸介质中均具有良好的耐蚀性能；

Experimental results show that , the cast Nickle base alloys ( Ni 50 and Ni60 ) possess good corrosion resistance in concentrate hydrochloric acid on 50 ℃ .

甲壳素细粉通过浓盐酸部分水解，活性炭吸附层析，以不同浓度的乙醇洗脱得三个组分。

Three fractions were obtained by partial hydrolysis of powdery chitin in concentrated hydrochloric acid , followed by chromatography on charcoal column eluted with different concentrations of alcohol .

本文应用环炉法测定分析纯浓盐酸中的微量铁，它与传统的目视比色法相比，具有快速、灵敏、仪器简单、无污染，易于携带等优点。

Trace Fe in pure HCI is determinated and analyzed with ring ouen . Com-pared with spot analysis this method is faster , easier , more sensitive , etc.

冷原子吸收光度法测定工业用浓盐酸中痕量汞

The Research on the Method of Measuring the Concetration of Oil-Water Emulsion with Salt ; DETERMINATION OF TRACE MERCURY IN INDUSTRIAL CONCENTRATED CHLORHYDRIC ACID BY COLD ATOMIC ABSORPTION PHOTOMETRY

然后此蛋白质的肽在加热条件下用浓盐酸完全水解。发现水解产物含5.5mg的下列化合物

The peptide bonds of the protein were then completely hydrolyzed by heating it with concentrated HC1 . The hydrolysate was found to contain 5.5 mg of the following compound

将上述物料分离，固体常温下与浓盐酸搅拌反应至没有气体放出，同时收集气体制作干冰。

Separate the above-mentioned material , solid and concentrated hydrochloric acid mixed react until there is no gas released at room temperature , at the same time , collect gas to produce dry ice .

本论文首先以苯酚和环己酮为原料，在浓盐酸介质中，缩合得到中间产物1，1-双（4-羟基苯基）环己烷；

The synthesis of p-phenylphenol was investigated and improved in this paper . The first step : In aqueous hydrochloric acid , phenol and cyclohexanone were condensed to give 1,1-bis ( 4-hydroxyphenyl ) cyclohexane .

本文研究了耐浓盐酸（33～36%HCI），50℃苛刻介质的铸造高性能合金的组织与性能。

In this paper , the microstructure and property of cast Nickle-base alloy for corrosion resistance in concentrate hydrochloric acid ( 33 ~ 36 % HCl ) on 50 ℃ harsh medium were studied .

介绍了高浓度氯化氢气体吸收、低浓度氯化氢气体吸收、浓盐酸脱吸、稀盐酸脱吸的工艺现状及石墨设备在这些工艺中的应用。

The existing state of processes on absorption of high - and low-concentration hydrogen chloride gas , desorption of concentrated and dilute hydrochloric acid and application of graphite equipment in these processes are introduced .

合金经1150℃～1180℃固溶处理后，在50℃浓盐酸介质中，仍具有良好的耐蚀性能。

The alloy possesses a good property of uniform corrosion resistance in concentrate hydrochloric acid medium at temperature of 50 ℃ after the alloy has a solution heat treatment in 1 150 ￣ 1 180 ℃ .

通过进样管道的设计，可能存在的干扰，以及工作参数的详细研究，建立了用冷原子吸收光度法直接测定工业用浓盐酸中痕量汞的分析方法。

An analytic method by which the trace mercury in the industrial concentrated chlorhydric acid can be determined directly using cold atomic absorption photometry is established through detailed study of the sampling pipe design , probable interference and working parameters .

在乙醇或乙醇/氯仿溶剂中，以浓盐酸为催化剂，室温反应20h-96h，可以直接生成目标化合物，收率为30.7%-97.5%。

The target compounds were synthesized directly in ethanol or ethanol / chloroform solution catalyzed by concentrated hydrochloric acid at room temperature . Eighty eight target compounds including eighty six new compounds were prepared in the yields of 30.7 % - 97.5 % .

采用先热浓盐酸溶解，再焙烧、浸出、水解、结晶和还原等方法，可分离回收金属，制取金属钨粉、钴粉和金属钛。

E. by using the process composed of dissolving with hot concentrated hydrochloric acid , roasting , leaching , hydrolysis , crystallization and reduction , it is possible to recover valuable metals and make metallic tungsten powder , cobalt powder and metallic titanium .