ISO 7402:1993
Microbiology — General guidance for the enumeration of Enterobacteriaceae without resuscitation — MPN technique and colony-count technique
Reference number
ISO 7402:1993
Edición 2
1993-09
Retirada
ISO 7402:1993
14123
Retirada (Edición 2, 1993)

Resumen

Gives general guidance for the enumeration of Enterobacteriaceae present in products intended for human consumption or animal feeding stuffs: 1) by calculation of the most probable number after incubation at 35 °C or 37 °C in liquid medium (MPN technique), or 2) by counting colonies in a solid medium after incubation at 35 °C or 37 °C (colony-counting technique). For low numbers, the MPN method is preferable, otherwise the colony-count method is preferred.

Informaciones generales

  •  : Retirada
     : 1993-09
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 10
  • ISO/TC 34/SC 9
    07.100.01 
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