摘要
硫化物是水质监测中的重要参数,采用"酸化—蒸馏—吸收"的前处理方式替代传统的"酸化—吹气—吸收"前处理方式,并通过实验改进了样品酸化剂和吸收液的种类与用量。实际样品的测定结果显示,本方法对地下水和海水的检出限均为0.003 mg/L,方法的精密度和准确度良好。
Sulfide is an important parameter in water quality monitoring. The"acidification-distillation-absorption"pretreatment method was used to replace the traditional"acidification-blowing-absorption"pretreatment method,the type and amount of sample acidifier and absorption liquid were improved through experiments. The results of the actual samples showed that the detection limit of the method for groundwater and seawater were both 0.003 mg/L.The precision and accuracy of the method are good.
引文
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