XP ISO/TS 19036

XP ISO/TS 19036

August 2006
Standard Cancelled

Microbiology of food and animal feeding stuffs - Guidelines for the estimation measurement uncertainty for quantitative determinations

ISO/TS 19036:2006 gives guidance for the estimation and expression of measurement uncertainty (MU) associated with quantitative results in food microbiology. It is applicable to the quantitative analysis of products intended for human consumption and the feeding of animals, and of environmental samples in the area of food production and food handling, typically carried out by enumeration of microorganisms using a colony-count technique, but applicable also to quantitative analysis by alternative instrumental methods.ISO/TS 19036:2006 is not applicable to enumeration using a most probable number technique, or the analysis of low levels of microorganisms.

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Collections

National standards and national normative documents

Publication date

August 2006

Number of pages

26 p.

Reference

XP ISO/TS 19036

ICS Codes

07.100.30   Food microbiology

Classification index

V08-205

Print number

1 - 31/08/2006

International kinship

ISO/TS 19036:2006
Sumary
Microbiology of food and animal feeding stuffs - Guidelines for the estimation measurement uncertainty for quantitative determinations

ISO/TS 19036:2006 gives guidance for the estimation and expression of measurement uncertainty (MU) associated with quantitative results in food microbiology.

It is applicable to the quantitative analysis of products intended for human consumption and the feeding of animals, and of environmental samples in the area of food production and food handling, typically carried out by enumeration of microorganisms using a colony-count technique, but applicable also to quantitative analysis by alternative instrumental methods.

ISO/TS 19036:2006 is not applicable to enumeration using a most probable number technique, or the analysis of low levels of microorganisms.

Standard replaced by (1)
NF EN ISO 19036
November 2019
Standard Current
Microbiology of the food chain - Estimation of measurement uncertainty for quantitative determinations

This document specifies requirements and gives guidance for the estimation and expression of measurement uncertainty (MU) associated with quantitative results in microbiology of the food chain. It is applicable to the quantitative analysis of: — products intended for human consumption or the feeding of animals; — environmental samples in the area of food production and food handling; — samples at the stage of primary production. The quantitative analysis is typically carried out by enumeration of microorganisms using a colony-count technique. This document is also generally applicable to other quantitative analyses, including: — most probable number (MPN) techniques; — instrumental methods, such as impediometry, adenosine triphosphate (ATP) and flow cytometry; — molecular methods, such as methods based on quantitative polymerase chain reaction (qPCR). The uncertainty estimated by this document does not include systematic effects (bias).

Table of contents
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Termes et définitions
    1
  • 3 Principes
    3
  • 3.1 Approche globale de l'estimation de l'incertitude de mesure (IM)
    3
  • 3.2 Prise en considération du biais
    4
  • 4 Aspects généraux
    4
  • 4.1 Incertitude type composée
    4
  • 4.2 Écart-type de reproductibilité
    4
  • 4.3 Incertitude élargie
    5
  • 4.4 Règles générales d'estimation de l'écart-type de reproductibilité
    5
  • 5 Écart-type de reproductibilité intralaboratoire
    5
  • 5.1 Généralités
    5
  • 5.2 Protocole expérimental
    5
  • 5.3 Calculs
    8
  • 6 Écart-type de reproductibilité de la méthode dérivé d'un essai interlaboratoires
    9
  • 6.1 Généralités
    9
  • 6.2 Utilisation en microbiologie des aliments
    10
  • 7 Écart-type de reproductibilité dérivé d'un essai interlaboratoires d'aptitude
    11
  • 8 Expression de l'incertitude de mesure dans les rapports d'essai
    11
  • Annexe A (informative) Résultats des essais concernant la composante d'incertitude liée au sous-échantillonnage de la prise d'essai et à la préparation de la suspension mère
    12
  • Bibliographie
    17
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