NF ISO 15767

NF ISO 15767

March 2004
Standard Cancelled

Workplace atmospheres - Controlling and characterizing errors in weighing collected aerosols

ISO 15767:2003 provides recommendations for controlling the analytical uncertainty associated with aerosol collection medium instability, where collection medium or substrate includes any article used to collect particles (e.g. filter or foam material) as well as those supporting elements which must be analysed by weighing. ISO 15767:2003 is applicable to results compiled both from the literature and, if necessary and feasible, through laboratory experiment. Expected errors associated with given aerosol capture methods are quantified where possible. Recommendations as to materials to be used are given. Means of controlling or correcting errors arising from instability are provided. Recommendations for the weighing procedure are given. A procedure for estimating weighing errors is described. Finally, recommendations are given for the reporting of measured masses.

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Main informations

Collections

National standards and national normative documents

Thematics

Gestion des risques et SST

Publication date

March 2004

Number of pages

25 p.

Reference

NF ISO 15767

ICS Codes

13.040.30   Workplace atmospheres

Classification index

X43-266

Print number

1 - 13/05/2004

International kinship

ISO 15767:2003
Sumary
Workplace atmospheres - Controlling and characterizing errors in weighing collected aerosols

ISO 15767:2003 provides recommendations for controlling the analytical uncertainty associated with aerosol collection medium instability, where collection medium or substrate includes any article used to collect particles (e.g. filter or foam material) as well as those supporting elements which must be analysed by weighing.

ISO 15767:2003 is applicable to results compiled both from the literature and, if necessary and feasible, through laboratory experiment. Expected errors associated with given aerosol capture methods are quantified where possible. Recommendations as to materials to be used are given. Means of controlling or correcting errors arising from instability are provided. Recommendations for the weighing procedure are given. A procedure for estimating weighing errors is described. Finally, recommendations are given for the reporting of measured masses.

Standard replaced by (1)
NF ISO 15767
August 2009
Standard Current
Workplace atmospheres - Controlling and characterizing uncertainty in weighing collected aerosols

<p>ISO 15767:2009 provides recommendations for controlling the analytical uncertainty associated with aerosol collection medium instability, where collection medium or collection substrate includes any article used to collect particles (e.g. filter or foam material) as well as those supporting elements which must be analysed by weighing.</p> <p>ISO 15767:2009 is applicable to results compiled both from the literature and, if necessary and feasible, through laboratory experiment. Expected uncertainty associated with given aerosol capture methods is quantified where possible. Recommendations as to materials to be used are given. Means of minimizing uncertainty arising from instability are provided. Recommendations for the weighing procedure are given. A procedure for estimating weighing uncertainty is described. Finally, recommendations are given for the reporting of measured mass, including an uncertainty component and limits of detection and quantification.</p>

Table of contents
View the extract
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Instabilité de pesée - Causes et minimisation
    2
  • 4.1 Généralités
    2
  • 4.2 Adsorption d'humidité
    3
  • 4.3 Effets électrostatiques
    3
  • 4.4 Effets dus aux composants volatils (autres que l'eau)
    3
  • 4.5 Détériorations dues aux manipulations
    4
  • 4.6 Variations dues à la poussée d'Archimède
    4
  • 5 Corrections liées à l'instabilité de pesée
    4
  • 5.1 Généralités
    4
  • 5.2 Nombre minimal de blancs
    5
  • 5.3 Durée et séquence des pesées
    5
  • 5.4 Temps de conditionnement
    5
  • 5.5 Stabilité au cours de l'entreposage
    5
  • 6 Transport des échantillons jusqu'au laboratoire
    5
  • 6.1 Généralités
    5
  • 6.2 Recommandations concernant l'emballage
    6
  • 7 Équipement et mode opératoire de pesée
    6
  • 7.1 Balance
    6
  • 7.2 Contrôles environnementaux recommandés
    6
  • 7.3 Autres exigences liées aux équipements
    7
  • 7.4 Mode opératoire
    7
  • 8 Recommandations sur la consignation de la masse mesurée par rapport aux valeurs LOD et LOQ
    7
  • Annexe A (normative) Estimation des erreurs de mesurage
    9
  • Annexe B (informative) Interprétation de LOD et LOQ
    13
  • Annexe C (informative) Exemple d'évaluation de méthode
    15
  • Annexe D (normative) Essai d'intégrité pendant le transport
    16
  • Bibliographie
    18
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