水源水中菌落总数不确定度的评定
目的 评估水源水中菌落总数检测结果的不确定度。方法 按照GB/T 5750.12-2006《生活饮用水标准检验方法 微生物指标》测定10份水源水样品中菌落总数, 依据JJF 1059.1-2012《测量不确定度评定与表示》评定检测结果的不确定度。结果 依据所采取的方法, 在置信概率为95%时, 水源水中菌落总数的扩展不确定度为0.062, 10份样品测量结果均在其各自的置信区间范围内。结论 本研究建立的方法同样适合类似检测条件下菌落总数不确定的评定。
Objective To evaluate the uncertainty of aerobic plate count in source water. Methods According to GB/T 5750.12-2006 Standard examination methods for drinking water Microbiological parameters, the total number of bacterial colony of 10 source water samples were measured. Based on JJF 1059.1-2012 Evaluation and expression of uncertainty in measurement, the uncertainty of the samples was evaluated. Results According to the method, when the coverage probability was 95%, the expanded uncertainty of source water was 0.062. Meantime, measured results of 10 samples were within the scope of their respective interval. Conclusion The established method can be used in the uncertainty evaluation of aerobic plate count under similar circumstances.
标题：水源水中菌落总数不确定度的评定
英文标题：Uncertainty evaluation of aerobic plate count in source water
作者：
李英杰 鄂尔多斯市食品检验检测中心
中文关键词:水源水,菌落总数,不确定度,
英文关键词:source water,aerobic plate count,uncertainty,
发表日期：2017-02-03
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