Hydride atomic fluorescence spectrometry is a simple and convenient method for the determination of arsenic, which is the most commonly used and convenient method. It is highly sensitive in analysis. Although this met...Hydride atomic fluorescence spectrometry is a simple and convenient method for the determination of arsenic, which is the most commonly used and convenient method. It is highly sensitive in analysis. Although this method has the advantages of less baseline interference and wider linear range compared with other methods, it still has many factors that affect the accuracy of measurement data in the process of measurement experiment. This paper mainly demonstrates the determination of arsenic by atomic fluorescence spectrometry by adding thiourea-ascorbic acid, reduction time, reducing agent and current carrying, and determines the best experimental conditions. Through continuous measurement for 20 times, a quality control chart is drawn to monitor the systematic errors existing in the experimental process.展开更多
文摘Hydride atomic fluorescence spectrometry is a simple and convenient method for the determination of arsenic, which is the most commonly used and convenient method. It is highly sensitive in analysis. Although this method has the advantages of less baseline interference and wider linear range compared with other methods, it still has many factors that affect the accuracy of measurement data in the process of measurement experiment. This paper mainly demonstrates the determination of arsenic by atomic fluorescence spectrometry by adding thiourea-ascorbic acid, reduction time, reducing agent and current carrying, and determines the best experimental conditions. Through continuous measurement for 20 times, a quality control chart is drawn to monitor the systematic errors existing in the experimental process.