摘要
用显微结晶的方法直观地观察硼砂及硼砂与Pb2+,Mn2+反应产物的特殊晶形,建立硼砂简便而直观的定性检测方法,再利用硼砂水解产物硼酸经甘露醇强化使溶液酸度增大,建立了硼酸(含硼砂)化学和电化学测定方法.实际应用证实,该方法可用于食品中有害添加物硼砂的检测.
In order to directly observe borax and special crystal resulted from the reaction of Borax and Pb^2 ＋, Mn^2 ＋, microscope and crystal analysis method is utilized in this paper to build a direct and simple qualitative determination method. Boric acid acidity can be strengthened by mannitol. The pH value of solution could be detected by Chemistry or electrochemistry method. The existence of the borax can be applied in food sample by this method subsequently.
出处
《重庆工学院学报（自然科学版）》
2008年第9期94-97,共4页
Journal of Chongqing Institute of Technology
基金
重庆市教委科学技术研究项目(KJ060610)
重庆市自然科学基金资助项目(2007BB1393)
关键词
硼砂
硼酸
显微结晶
borax
boric Acid
microscope and crystal analysis
