NEN-EN-ISO 6222
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium
inactive
| Organization: | NEN |
| Publication Date: | 1 June 1997 |
| Status: | inactive |
| Page Count: | 6 |
| ICS Code (Examination of biological properties of water): | 13.060.70 |
| ICS Code (Microbiology of water): | 07.100.20 |
scope:
Specifies a method for the enumeration of culturable micro-organisms in water by counting the colonies formed in a nutrient agar culture medium after aerobic incubation at 36°C and 22°C. Is intended to measure the operational efficiency of the treatment process of public drinking water supplies and for general application to all types of water. It is particularly applicable to the examination of water intended for human consumption, including water in closed containers and to natural mineral waters.
Document History
November 1, 1999
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium
Specifies a method for the enumeration of culturable micro-organisms in water by counting the colonies formed in a nutrient agar culture medium after aerobic incubation at 36°C and 22°C. Is intended...
NEN-EN-ISO 6222
June 1, 1997
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium
Specifies a method for the enumeration of culturable micro-organisms in water by counting the colonies formed in a nutrient agar culture medium after aerobic incubation at 36°C and 22°C. Is intended...