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- A simple,quick,simultaneous determination method for sodium ethyl p-hydroxybenzoate,potassium sorbate and sodium benzoate by UV-spectrophotometry was introduced. 介绍一种快速、简便同时测定食用防腐剂尼泊金乙酯钠、山梨酸钾和苯甲酸钠的紫外光度法。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
- sodium ethyl mercurithiosalicylate 硫柳汞
- Sodium ethylate was used as catalyst in Baker-Venkataraman of cyclization, and all factors were studied. 环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂,研究了影响反应的各个因素。
- Sodium and water react (together). 钠和水能起反应。
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- sodium ethyl p-hydroxybenzoate 尼泊金乙酯钠
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- sodium ethyl carbonate 碳酸乙酯钠
- sodium ethyl sulfate 乙硫酸钠
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入（一化合物）
- sodium ethyl xanthate 乙钠黄药
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- sodium ethyl 乙基钠
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- The most common is sodium chloride?salt. 最常用的化学制品就是氯化钠??盐。
- Keywords ferrocene;sodium ethylate method;help cobustio;eliminate smoke; 二茂铁;乙醇钠法;助燃;消烟;
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- These effects are antagonizeed by sodium sulfide. 这些效果被硫化钠中和了。
