Microbiology; General guidance for enumeration of micro-organisms; Colony count technique at 30 degrees C
Описание (англ.):
The method consists in preparing of two poured plates, using a specified culture medium, and using a specified test sample, further preparation of other pairs of poured plates, under the same conditions, using decimal dilutions of the test sample. Then aerobic incubation of the plates at 30 C for 72 h, and calculation of the number of micro-organisms per millilitre or per gram of sample from the number of colonies obtained in selectedplates.
Заменён стандартами:
ISO 4833(1991.03)
Дата введения:
01.02.78
Дата отмены:
01.03.91
Нормативные ссылки:
BS 5763 PART 1-1979, EQV*NF V08-011-1978, EQV*NP-1409-1987, NEQ*NP-1995-1982, EQV*NP-3278-1986, EQV*UNI ISO 4833-1988, EQV