NF M60-806-2

NF M60-806-2

May 2005
Standard Cancelled

Nuclear energy - Measurement of radioactivity in the environment - Water - Part 2 : measurement of strontium 90 activity in water - organic solvent extraction of yttrium 90 and measurement of beta activity

Le présent document décrit les conditions de mesurage du strontium 90 par la méthode d'extraction de l'yttrium.

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National standards and national normative documents

Publication date

May 2005

Number of pages

22 p.

Reference

NF M60-806-2

ICS Codes

13.060.60   Examination of physical properties of water
17.240   Radiation measurements
27.120.01   Nuclear energy in general

Classification index

M60-806-2

Print number

1 - mai 2005
Sumary
Nuclear energy - Measurement of radioactivity in the environment - Water - Part 2 : measurement of strontium 90 activity in water - organic solvent extraction of yttrium 90 and measurement of beta activity

Le présent document décrit les conditions de mesurage du strontium 90 par la méthode d'extraction de l'yttrium.
Standard replaced by (1)
NF ISO 13160
October 2012
Standard Cancelled
Water quality -- Strontium 90 and strontium 89 -- Test methods using liquid scintillation counting or proportional counting

Table of contents
  • Introduction
    5
  • 1 Objet et domaine d'application
    5
  • 2 Références normatives
    5
  • 3 Termes et définitions- Symboles et abréviations
    6
  • 4 Principe et difficultés de la mesure
    8
  • 5 Matériel
    8
  • 6 Réactifs
    9
  • 7 Échantillonnage
    9
  • 7.1 Prélèvement de l'échantillon
    9
  • 7.2 Conservation de l'échantillon pour analyse
    9
  • 8 Mode opératoire
    9
  • 8.1 Séparation chimique de l'yttrium
    10
  • 8.2 Détermination du rendement de séparation chimique Ry
    11
  • 8.3 Mesure de l'activité béta-
    11
  • 9 Détermination de l'activité volumique du 90Sr
    11
  • 9.1 Calcul de l'activité volumique et de son incertitude
    11
  • 9.2 Seuil de décision
    13
  • 9.3 Limite de détection
    13
  • 9.4 Expression des résultats
    13
  • 10 Contrôle de la pureté de l'oxalate d'yttrium
    13
  • 11 Présentation des résultats
    14
  • Annexe A
    (informative) Modèle mathématique de régression linéaire appliqué à une double décroissance radioactive 15
  • A.1
    Mesures effectuées 15
  • A.2
    Exploitation des mesures 15
  • A.3
    Activité de l'yttrium 90 dans le prélèvement 20
  • A.4
    Activité du strontium 90 dans le prélèvement 21
  • Bibliographie
    22
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