This work introduces nice results for the preparation of phenoxyacetio acid in benzene-sodium hydroxide aqueous system through condensation of phenol with chloroacetic acid.
本文报道在苯—氢氧化钠水溶液中，由苯酚和氯乙酸缩合制取苯氧乙酸的良好结果。
For the future, the demand of high-purity chloroacetic acid will be strong, the market of low-purity products with content being less than 98% will increasingly drop.
今后市场对高纯度氯乙酸产品的需求将保持旺盛，含量在98%以下的低纯度产品市场将日益缩减。
Isoamyl chloroacetate is synthesized from chloroacetic acid and isoamyl alcohol with mordenite as catalyst and benzene as water carrying agent under the irradiation of microwave.
研究了微波辐射作用下丝光沸石催化氯乙酸与异戊醇的酯化反应。
A method for synthesizing sodium sulfoacetic is discussed, which sodium sulfoacetic is synthesized with sodium sulfite and ethyl monochloro acetate, with sodium sulfite and chloroacetic acid.
主要分别介绍用亚硫酸钠与氯乙酸乙酯合成磺酸乙酸钠和亚硫酸钠与氯乙酸合成磺酸乙酸钠。
This article mainly introduced the synthesizing technology of chloroacetic acid and the downstream products could be manufactured, forecasted the market consumption for the following years.
本文介绍了氯乙酸的合成技术进展情况以及可制造的下游产品，并对今后几年的市场消费进行了预测。
Objective: To investigate the relationship between humic acid and chloroacetic acid in the process of chlorination disinfection for drinking water.
目的：探讨饮用水在氯化消毒过程中腐殖酸与生成卤乙酸之间的关系。
Reaction principles of chloroacetic acid detection and its operation methods were introduced.
介绍了鉴别氯代乙酸的反应原理和操作方法。
Phenoxyacetic acid was synthesized with phenol and chloroacetic acid as raw material and tetrabutylammonium iodide as catalyst, the yield can reach 96.2%under the optimun conditions.
以苯酚和氯乙酸为原料，四丁基碘化铵为催化剂合成了苯氧乙酸，收率达96 2 %。
The chloroacetic acid traditional production process by sulfur method should be improved for competition, including energy efficiency, products quality improvement, and environment control.
指出我国传统的硫磺法氯乙酸生产工艺要进一步节能降耗、提高产品质量及治理环境，以提高竞争力。
It is theoretically analyzed that why the water solution formed by the liquor from chloroacetic acid produced by sulphur catalyst method is turbid, and the solutions are found out.
从理论上分析了硫磺法生产的氯乙酸溶于水后的溶液混浊的原因，并找出了解决办法。
Phenoxy acetic acid was prepared in the pressence of chloroacetic acid, phenol and NaOH under microwave irradiation. The optimum condition was obtained. The yield could reach 97.3%.
用微波辐射合成苯氧乙酸，考察了不同反应条件对收率的影响，优化出最佳反应条件，收率可达97．3％。
Chloroacetic acid is an important material used in the organic-chemistry industry. It has strong corrosiveness to skin and can cause brain, liver, kidney, lung and myocardium injuries via burned skin.
氯乙酸是一种重要的有机化工原料，对皮肤具有较强的腐蚀性，可经破损皮肤吸收，引起脑、肝、肾、肺、心脏等多种器官损害。
The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst, the hydrate of ferric sulphate.
在有无硫酸铁水合物催化剂的情况下，分别测定了2-氯乙酸与六种伯醇的酯化反应速率常数；
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.
当碱性纤维素与盐酸的钠盐反应，羧甲基醚钠盐生成。
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.
当碱性纤维素与盐酸的钠盐反应，羧甲基醚钠盐生成。
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