水硬度标准物质定值方法确认

Confirmation of Water Hardness Reference Material Calibration Method

采用EDTA络合滴定法滴定水硬度标准物质。对自动电位滴定仪的滴定参数进行设定,进行方法确认。本方法操作简单,测量速度迅速,终点判断准确。

The EDTA complexometric titration was used to titrate water hardness reference materials.The titration parameters of the automatic potentiometric titrator was set and the method was confirmed.The method has the advantages of simple operation,rapid measurement speed and accurate endpoint judgment.