Water quality -- Enumeration of Escherichia coli and coliform bacteria -- Part 1: Membrane filtration method for waters with low bacterial background flora
适用范围:ISO 9308-1:2014 specifies a method for the enumeration of Escherichia coli (E. coli) and coliform bacteria. The method is based on membrane filtration, subsequent culture on a chromogenic coliform agar...
发布日期:2014-09-01 实施日期:2014-09-01
Water quality. Determination of pH (ISO 10523:2008); German version EN ISO 10523:2012
Water quality. Examination and determination of colour
适用范围:ISO 7887:2011 specifies four different methods, designated A to D, for the examination of colour. The previously most employed method for assessment of water colour in water treatment plants, limnologi...
实施日期:2011-12-16
实施日期:2014-04-01
German Standard Methods for the Analysis of Water, Waste Water and Sludge; Anions (Group D); Determination of Cyanides (D 13)
发布日期:2012-03-31
实施日期:2012-02-01
发布日期:2016-07-15 实施日期:2016-07-15
Water quality - Sampling - Part 3 : guidance on the preservation and handling of water samples.
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