Water quality - Detection and enumeration of Escherichia coli coliform bacteria - Part 1: Membrane filtration method (ISO 9308-1:2000); German version EN ISO 9308-1:2000— 17 стр.
Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions (ISO/DIS 6887-1:2013); German version prEN ISO 6887-1:2013
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014); German version EN ISO 9308-1:2014— 17 стр.
Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method (ISO 9308-1:2000); German version EN ISO 9308-1:2000, Corrigendum to DIN EN ISO 9308-1:2001-07; German version EN ISO 9308-1:2000/AC:2008— 3 стр.
Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method (ISO 9308-1:2000); German version EN ISO 9308-1:2000, Corrigendum to DIN EN ISO 9308-1:2001-07; German version EN ISO 9308-1:2000/AC:2008— 3 стр.
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014); German version EN ISO 9308-1:2014— 17 стр.