DIN EN ISO 9308-1-2001 水质.大肠杆菌和大肠杆菌类的检测与计数.第1部分:膜过滤法
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
The document describes two microbiological methods for the determination of Eschichia coli (E.coli) and coliform bacteria in potable water. The methods base on the membrane filtration. Using the standard method the colonies are counted after an incubation time of 2 to 3 days, the rapid test allows the detection of E.coli after 21 to 24 hours.#,,#