Discussion on Calibration of Sulfides by Lodometry
The sulfide standards GB/T 16489-1996,GB/T 5750.5-2023,HJ/T 200-2005,SL 89-1994,DZ/T0064.67-2021,HJ 1226-2021 contains a method for determining sulfide standard solutions using the iodometric method.By calibrating the 1 000 mg/L sulfide standard solution using the iodine method in the above standards,and through result analysis,the reasons affecting the accuracy of sulfide calibration in standard HJ 1226-2021 were identified,and solutions were proposed.
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