吸附溶出伏安法测定电站锅炉用水微量铁的应用研究

Research on determination of trace iron in utility boiler water by adsorptive stripping voltammetry

介绍了用吸附溶出伏安法测定火力发电机组锅炉用水中微量铁质量浓度的原理和试验方法,并对多组试验数据进行了分析和讨论,从而得出测试参数的最佳选取值。通过回收率试验、精密度试验、检测限试验和比对试验,说明了该测试方法准确度、回收率、重现性和精密度均符合火力发电机组锅炉用水微量铁的检测要求。

The principle and test method of using adsorptive stripping voltammetry to determine the mass concentration of trace iron in boiler water of thermal power generating units are described in this paper. Optimal values of the test parameters are derived by analyzing multiple sets of test data. Through tests on recovery, accuracy and detection limit as well as comparative test, it is shown that the accuracy, recovery and reproducibility of the method can meet the requirements of trace iron determination in boiler water of thermal power generator sets.