摘要
本文在传统BZ振荡体系:丙二酸-溴酸钾-硫酸-硫酸铈铵的基础上,将硫酸替换成硫酸、磷酸混酸,并采用这一体系用于没食子酸、酒石酸和甘氨酸的测定。结果表明:它们的浓度的负对数在一定范围内分别与振荡体系周期的变化值ΔT具有线性关系,各自的相关系数分别为0. 9428、0. 9283、0. 9285,该体系可以用于几种有机酸的含量测定。同时分析了没食子酸、酒石酸和甘氨酸对振荡体系扰动的机理。
Establish a modified BZ oscillating system of malonic acid-KBrO 3-H 2SO 4-Ce 4+,which sulfuric acid was replaced by sulfuric acid-phosphoric acid mixed acid,and this system was used for the determination of gallic acid,tartaric acid and glycine.There were good linear relationships between the negative logarithm of gallic acid concentration tartaric acid concentration glycine concentration and the change of oscillation period T of the system,and the correlation coefficients were 0.9428,0.9283,0.9285,respectively.The periodic change of the new system was more obvious,which was more beneficial to the determination of gallic acid.The oscillation mechanism of perturbation of gallic acid,tartaric acid and glycine on the system were also analyzed.
作者
于敏
王传岭
张嘉娴
Yu Min;Wang Chuanling;Zhang Jiaxian(Medical College of Jiaying University,Meizhou514031,China)
出处
《山东化工》
CAS
2020年第4期98-100,共3页
Shandong Chemical Industry
基金
嘉应学院医学院青年教师科研成长基金项目(2017A01)
梅州市科技计划项目(2016B060)。
关键词
没食子酸
酒石酸
甘氨酸
BZ振荡
检测
gallic acid
tartaric acid
glycine
BZ oscillation
determination
