尿素中亚甲基二脲测定方法改进  

IMPROVEMENT OF DETERMINING METHOD OF METHYLENE DICARBAMIDE IN UREA

作　　者：冯川 应贤强 

机构地区：[1]重庆建峰化肥有限公司,重庆408601

出　　处：《大氮肥》2005年第6期374-376,共3页Large Scale Nitrogenous Fertilizer Industry

摘　　要：通过改变尿素中亚甲基二脲测定过程中标准溶液浓度、显色酸度和显色温度的控制,改进了尿素 中亚甲基二脲测定方法,提高了测定尿素中亚甲基二脲的标准曲线相关系数、准确度和精密度。Through changing the control of the standard solution＇ s density, the acidity and temperature of colour development, the article improves the determining method of methylene dicarbamide in urea, enhances the related coefficient, accuracy and precision of the standard curve for detemining methylene dicarbamide in urea.

关 键 词：尿素 亚甲基二脲 测定方法 改进 

分 类 号：TQ441.41[化学工程—化学肥料工业] TS190.5[轻工技术与工程—纺织化学与染整工程]