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。
A discussion is also held on the compounds interfering with the methods. The main interfering compounds are phenol, sodium sulfite. sodium nitrite and sodium nitrate, etc.
还对一些物质对这两种方法的干扰情况进行了讨论，其中，苯酚、亚硫酸钠、亚硝酸钠和硝酸钠等为主要干扰物质。
A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.
用苯酚和钠得到苯酚钠，苯酚钠和2-氯乙醇得到2-苯氧基乙醇，与氯化锌反应得2，3-二氢苯并呋喃，产率50%。
Light fraction and sodium phenolate can be returned to the production processes of phenol and acetone.
轻组分和酚钠盐均返回苯酚、丙酮生产装置。
The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.
反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的M PC标准品。
Disodium phenyl phosphate was synthesized using phenol, phosphorus oxychloride and sodium carbonate as starting materials.
以苯酚、三氯氧磷和氢氧化钠为原料合成了磷酸苯二钠。
Disodium phenyl phosphate was synthesized using phenol, phosphorus oxychloride and sodium carbonate as starting materials.
以苯酚、三氯氧磷和氢氧化钠为原料合成了磷酸苯二钠。
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