【摘要】 采用碘量法对水溶液中二氟化脲含量进行了测定,研究了酸、反应温度及时间对测试结果的影响,确定了二氟化脲含量的测定方法。较佳的测试条件:选质量分数50%的硫酸,温度为(35±2)℃,反应时间20～25 min。更多还原

【Abstract】 The difluorourea content in aqueous solution was determined by using iodometry.The influence of acids,reaction temperature and time on the test results was studied.The determination method of difluorourea content was established.The optimum test conditions are mass fraction of 50% of sulfuric acid,reaction temperature of(35±2) ℃ and reaction time of 20~25 min.更多还原