NEN 6274:1995被替代
Bacteriological Examination Of Water - Enumeration Of Fecal Streptococci By Membrane Filtration
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN 6274:1995
发布时间：1995/10/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：4
标准简介
Provides a method to demonstrate faecal streptococci by filtering a sample through a membrane filter, and by incubating the filter in a suitable, selective medium. Characteristic colonies are closer examined in a second selective medium.
标准备注
Supersedes NEN 6562 and NEN 6564. (10/2002)
替代本标准的新标准
