ISO 9308-1:1990 水質(zhì).大腸桿菌有機(jī)物、耐熱大腸桿菌有機(jī)物和推定大腸桿菌的檢測(cè)與計(jì)數(shù).第1部分:薄膜滲透法
Water quality; detection and enumeration of coliform organisms, thermotolerant coliform organisms and presumptive Escherichia coli; part 1: membrane filtration method