Standard

ISO 7251:1993

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: ISO 7251:2005

Rettelser og tillegg kjøpes separat.

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Omfang

Gives general guidelines for the enumeration of presumptive Escherichia coli in products intended for human consumption or feeding of animals, by means of the liquid-medium culture technique and calculation of the most probable number after incubation at 35 °C or 37 °C (this temperature forming the subject of agreement between the parties concerned), then incubation at 45 °C. A limitation of the applicability is imposed by the susceptibility of the method to a large degree of variability.

Dokumentinformasjon

  • Standard fra ISO
  • Publisert:
  • Tilbaketrukket:
  • products.specs.Expires:
  • Utgave: 2
  • Versjon: 1
  • Varetype: IS
  • ICS 07.100.01
  • ISO TC ISO/TC 34/SC 9

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