sulfonic acid

Synthesis ofp-nitro-ethyl benzoate with benzene sulfonic acid as catalyst is reported.

以苯磺酸为催化剂,实现了对硝基苯甲酸与乙醇反应合成对硝基苯甲酸乙酯.

The perfume 2-heptyl-1,3-dioxolane was synthesized by the condensation reaction of n-octyl aldehyde ( A) with ethylene glycol ( B) in the presence of a composite catalyst which is composed of p-methyl benzene sulfonic acid and cupric sulfate.

在对甲苯磺酸和硫酸铜复合催化剂存在下，以正辛醛（A）和乙醇（B）为原料经脱水缩合合成了新型香料2-庚基-1,3二口恶戊烷。

The results show that electrophilic substitution could occur between CTP and TPA under the action of toluene p sulfonic acid.

实验结果表明，对苯二甲醛在酸性催化剂的催化作用下与煤沥青发生亲电取代反应；

Zinc benzene sulfonic acid as thermal stabilizer of PVC

苯磺酸锌对PVC的热稳定性能

Coal tar , acetic acid, dodecyl benzene Sulfonic Acid.

本品为深褐色液体;有醋酸及煤焦油的特臭.

DMC was prepared by cracking reaction of the waste silicone products, which were the waste silicone oil and waste silicone rubber tailings, in the presence of dodecyl benzene sulfonic acid and catalyst.

以废有机硅制品（如废硅油、废硅橡胶制品下脚料等）为原料，在十二烷基苯磺酸和催化剂存在下裂解，得到硅氧烷混合环体。

A new methane sulfonic acid electroless tin plating technology aras investigated.

研究了一种新型甲烷基磺酸化学镀锡工艺.

Methyl sulfonic acid ( MSA) tinplating is paid more and more attention to because it is friendly to the environment and completely biodegradability, and treatment of electroplating wastewater is simple.

甲基磺酸盐酸性镀锡（MSA）由于具有环境友好性和生物可降解性，且废水处理简单，越来越受到重视。

Tri-n-butyl citrate ( TBC) was synthesized with citric acid and n-butanol as raw materials and p-toluene sulfonic acid as esterification catalyst.

以柠檬酸和正丁醇为原料，对甲苯磺酸为酯化催化剂合成柠檬酸三丁酯（TBC）。

In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence ofp-Toluene sulfonic acid.

以丙酸和无水乙醇为原料，对甲苯磺酸作催化剂合成了丙酸乙酯。

Presence of Methane Sulfonic Acid ( MSA) in individual particles was determined with an electron microscope using multiple thin film method.

利用复合薄膜法和电子显微镜检测甲磺酸粒子。

Effect of Amino sulfonic acid on hypochlorite bleaching of Masson Pine kraft pulp was experimented.

试验了氨基磺酸对马尾松硫酸盐化学木浆次氯酸盐漂白的影响.

The Determination of 1 Amino 4 bromo Anthraquinone 2 sulfonic Acid by HPLC

1-氨基-4-溴蒽醌-2-磺酸的HPLC测定

It is suggested that amino sulfonic acid, strongly acidic cationic exchange resin, sodium sulfate monohydrate, solid super acid, heteropolyacid and Vitamin C are valuable catalysts in practice for synthesizing p-hydroxyl butyl benzoate.

认为氨基磺酸、强酸性阳离子交换树脂、一水硫酸氢钠、固体超强酸、杂多酸和维生素C是在合成对羟基甲酸丁酯中具有实用价值的催化剂。

Thin Layer Separation-Determination of o& Aminobenzene Sulfonic Acid in Waste Water in Purification of m-Benzene-diamine by Ultra violet Light Dual Photometric Method

薄层分离一紫外二元光度法测定间苯二胺精制废水中的邻氨基苯磺酸

A copolymer ( SPAM ) was prepared with starch, acrylamide ( AM ), 2— methy —2— acrylamidy-propyl sulfonic acid ( AMPS ) and Methacryloyloxyethyl trimethylammonium choride ( DMC ).

以工业淀粉 、 丙烯酰胺 ( AM ) 、 2—甲基— 2— 丙烯酰胺基丙磺酸 ( AMPS ) 、甲基丙烯酰氧乙基三甲基氯化铵 ( DMC ) 为原料,通过共聚制得改性淀粉絮凝剂 ( SPAM ).

Research status of additives in sulfonic acid tin lead electroplating in recent ten years at home and abroad is introduced. The additives are classified as Sn 2+ stabilizer, brightener and carrier three kinds according to their chemical structure and to the performance they exhibited in electroplating.

介绍了国内外磺酸型Sn-Pb合金电镀添加剂近十年的研究历程现况并根据各组分的化学结构及其在电镀中所体现出的性质将添加剂分为Sn2+离子稳定剂、光亮剂及分散剂三类。

Through the analysis, sodium dodecyl benzene sulfonic acid of zero point three percent concentration is the best injectant of Shanshan oilfield. It can enhance five point four six percent recovery.

通过分析确定浓度为0.3%的十二烷基苯磺酸纳为鄯善油田的最佳注入剂，可以提高采收率5.46%。

In this paper, benzyl acetate acid was produced from benzoic acid and benzyl alcohol under microwave radiation, using sodium acid sulfate, amino sulfonic acid and p-toluenesulfonic acid as catalysts.

本文采用微波辐射技术，选取硫酸氢钠、氨基磺酸、对甲苯磺酸等三种催化剂，以苯甲酸和苯甲醇为原料在微波辐射下催化合成苯甲酸苄酯。

IR spectrum analysis indicates that AMPS-EP contains epoxy groups , sulfonic acid groups and sulfonic ester groups.

红外光谱分析结果表明,改性产物AMPS-EP 含有环氧基 、 磺酸基与磺酸酯基.

Eastman-AQ is a new kind of polymer ( ester sulfonic acid ) cation exchanger.

Eastman -AQ (AQ-55D,AQ-29D )是一种新的聚合物 ( 磺酸酯 ) 阳离子交换剂,涂于玻碳电极上,形成的膜具有强的附着力、高的选择性、良好的离子交换及防污性能.

A series of gallate ester were prepared in use of dodecyl benzene sulfonic acid as catalyst.

以工业用十二烷基苯磺酸为催化剂制备了一系列没食子酸酯,讨论了影响酯化反应的各种因素.

The application ofp-toluene sulfonic acid as catalyst for synthesis of carboxylic ester ( ethyl butyrate ) is studied.

研究了对 甲苯 磺酸作为催化剂在羧酸酯 ( 丁酸乙酯 ) 合成中的应用.

The results showed that dimethyl sulphoxide and formamide were not rational choices for gel spinning process of high-relative viscosity nylon 6 when m-cresol, sulfonic acid and formic acid were reasonable.

结果表明：二甲基亚砜和甲酰胺不宜作高相对粘度尼龙6的冻胶纺丝溶剂，硫酸、甲酸和间甲酚比较适宜；

Sulfonic acid is a foaming acid available from some of the oil companies.

磺酸是从一些炼油公司获得的一种起泡酸.

The synthesis methods of Nipagin Esters Catalyzed by sulfuric acid, p-toluene sulfonic acid, ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed.

评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。

P-Toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials.

本文以硫化钠和对甲苯磺酰氯为原料，对对甲苯硫代磺酸钠的合成工艺进行了改进。

Polystyrene sulfonic acid and its sodium salt were prepared with old froth as water treatment medicinal preparation and the soil modifier.

将废旧泡沫磺化制备聚苯乙烯磺酸及其钠盐，目标产品可以用来作为水处理剂和土壤改良剂。

Group A was treated with tanshinone ⅱ A sulfonic acid natrium injection based on routine treatment.

A组在常规治疗基础上加用丹参酮ⅡA碘酸钠注射液。

This paper deals with a cationic bisamide compound system deinking agent whose intermediate was prepared by using tristearin, isopropylidene glycerol, diethylenetriamine ( DETA) and catalyzed by p-Toluene sulfonic acid and reacted at 140 ℃ for 2 h.

以三硬脂酸甘油酯、二乙烯三胺（DETA）为原料合成了中间体，经硫酸二甲酯阳离子化制备出双酰胺季铵盐阳离子表面活性剂，再与AEO-9、TX-10复配制得复合脱墨剂。