Microbiology; General guidance for the enumeration of coliforms; Most probable number technique at 30 degrees C
Описание (англ.):
The method consists in inoculation of three tubes of double-strength liquid selective culture medium and of three tubes of single-strength liquid culture medium with a specified test sample. Then, under the same conditions, inoculation of further tubeswith decimal diltutions of the test sample. Then incubation of the tubes at 30
Заменён стандартами:
ISO 4831(1991.03)
Дата введения:
01.08.78
Дата отмены:
01.03.91
Нормативные ссылки:
BS 5763 PART 3-1979, EQV*NF V08-016-1978, EQV*NP-1410-1984, NEQ*NP-1935-1986, NEQ*NP-1975-1985, NEQ*NP-2164-1983, EQV*UNI ISO 4831-1988, EQV