Identification the impurities of the triethyl phosphite by gc - ms and study on the technics of synthesis 联用技术鉴定亚磷酸三乙酯中杂质并探讨其合成工艺
2.
Jcig lianhua welfare chemical industry factory - specialized producer of triethyl phosphate , methyl phosphate , methyl dichloroacetate , stannous oxide , and palladium chloride [吉化集团吉林市联化福利化工厂生产磷酸三乙酯、氯化钯等二种化工产品。
3.
The three national champions we hold now are the production of phosphorus oxychloride , the selling volume of 1 - phenyl - 3 - methyl - 5 - pyrazolone and the export capacity of triethyl phosphate 拥有通过国家评定的质检中心和一流的全的质检仪器，已获英国劳氏的iso9002国际认证。
4.
Using ethyl cyanoacetate , triethyl orthoformate and methylhydrazine as main raw materials , the herbicide pyrazosulfuron was prepared through the reactions of substitution , amination , cylclization , diazotization and chlorosulfonation 摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料，通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。
5.
The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced , and the preparations of acetamide , ethyl acetate , acetamidine hydrochloride , triethyl orthoacetate , n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized 摘要介绍了亚氨基乙醚盐酸盐的合成工艺，总结了亚氨基乙醚盐酸盐制备乙酰胺、乙酸乙酯、盐酸乙脒、原乙酸三乙酯、 n -氰基乙亚氨酸乙酯以及腙类化合物的合成方法。
