流动注射法测定水中总***化物的不确定度
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流动注射法测定水中总***化物的不确定度
作者:未知
[摘要] 目的 研究流动注射法测定水中总***化物的不确定度。方法 选择6份水样本进行检测,观察其中总***化物的不确定度。结果 μg/L、 μg/L,。其中1~6号标准溶液分别为2、2、5、10、20、50,峰高yi、平均峰高y-均出现明显在增高的情况。结论 对于水中总***化物不确定度测定,可使用流动注射法测定,具有自动进样、分析速率快、试剂耗量低等优点。
[关键词] 流动注射法;水中总***化物;不确定度
[中图分类号] R123 [文献标识码] A [文章编号] 1672-5654(2020)06(a)-0186-03
[Abstract] Objective To study the uncertainty of determination of total cyanide in water by flow injection method. Methods Six water samples were selected for testing and the uncertainty of total cyanide was observed. Results The average value of the sample measurement data was μg/L, the standard deviation was μg/L, and the relative standard deviation was . Among them, the standard solutions Nos. 1 to 6 are 2, 2, 5, 10, 20, 50, and the peak height yi and the average peak height y- were obviously increased. Conclusion For the determination of total cyanide in water, flow injection method can be used. It has the advantages of automatic sampling, fast analysis rate, low reagent consumption, etc.
[Key words] Flow injection method; Total cyanide in water; Uncertainty
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