DIN EN ISO 6222-1999 水質.可培養微生物的計數.用營養瓊脂培養基接種培養進行菌落計數
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
The document describes a microbiological method for the enumeration of culturable micro-organisms in water for human consumption. The water sample is cultured on a nutrient agar culture medium and the formed colonies will be counted.