Abstract：In order to meet the needs of in-situ calibration of online TOC analyzer used in water quality monitoring in pharmaceutical enterprises under 500μg/L concentration, a set of on-line total organic carbon (TOC) monitor in-situ calibration device is established, which is composed of high-precision micro ceramic injection pump, magnetic mixing unit and constant current syringe controlled by step motor. The high concentration TOC standard stock solution and pure water are proportioned by high precision micro ceramic injection pump and large capacity injection pump controlled by PLC. The automatic calibration of the measuring range below 500μg/L of the on-line total organic carbon (TOC) monitor is realized, with a linear correlation of 0.9924.
何飞飞,丁斌,陈子望,强学栋,刘魏魏,李劲松. 一种新型在线水质TOC监测仪自动校准装置及其校准方法研究[J]. 计量学报, 2022, 43(12): 1669-1676.
HE Fei-fei,DING Bin,CHEN Zi-wang,QIANG Xue-dong,LIU Wei-wei,LI Jing-song. Research on a New Automatic Calibration Device and Calibration Method for Online Water Quality TOC Monitor. Acta Metrologica Sinica, 2022, 43(12): 1669-1676.
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2022, Vol. 43 
