NEN 6261:1990被替代
Bacteriological Examination Of Water - Examination By Means Of Membrane Filtration On The Presence And Number Of Colony Forming Units (cfu) Of Escherichia Coli
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN 6261:1990
发布时间：1990/6/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：8
标准简介
Provides a method to enumerate Escherichia coli by filtration of a water sample through a membrane filter, by resuscitating the filtered germs on a solid, non-selective medium, followed by differentiation of the colonies that have formed by examining for the presence of indol.
替代本标准的新标准
