二苯碳酰二肼分光光度法检测水中六价铬数据失准案例分析

Case Analysis of Data Inaccuracy in Detection of Hexavalent Chromium in Water by Diphenylcarbazide Spectrophotometry

针对池州供水公司民生水厂六价铬测量数据失准的案例,本文结合国家的相关标准以及规范,使用二苯碳酰二肼分光光度法分析水样中六价铬含量。在实际的实验探究中,对整个实验过程中影响六价铬测定结果准确性的因素进行了全面的分析和记录。阐述了测定实验中导致数据失准的主要原因,确保对于水环境中六价铬的测定数据准确、可靠,为环境监测中水质六价铬的测定提供技术参考。

Aiming at the case of inaccurate measurement data of hexavalent chromium in the Minsheng Water Plant of Chizhou Water Supply Company,this article combines relevant national standards and regulations to examine and analyze the presence of hexavalent chromium in the water environment by diphenylcarbazide spectrophotometry.In the actual experimental investigation,the factors that affect the accuracy of the hexavalent chromium determination results during the entire experimental process were comprehensively analyzed and recorded.The main reasons for the inaccuracy of the data in the measurement experiment are explained,to ensure the accuracy and reliability of the measurement data of hexavalent chromium in the water environment,and to provide a technical reference for the determination of hexavalent chromium in water quality in environmental monitoring.