NF M60-806-1

NF M60-806-1

May 2005
Standard Cancelled

Nuclear energy - Measurement of radioactivity in the environment - Water - Part 1 : measurement of strontium 90 activity in water - Radiochemical separation of strontium by nitric acid and measurement of yttrium 90 beta activity

Le présent document décrit les conditions de mesurage du strontium 90 par la méthode d'extraction par l'acide nitrique fumant et comptage par compteur à circulation gazeuse.

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National standards and national normative documents

Publication date

May 2005

Number of pages

16 p.

Reference

NF M60-806-1

ICS Codes

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

Classification index

M60-806-1

Print number

1 - mai 2005
Sumary
Nuclear energy - Measurement of radioactivity in the environment - Water - Part 1 : measurement of strontium 90 activity in water - Radiochemical separation of strontium by nitric acid and measurement of yttrium 90 beta activity

Le présent document décrit les conditions de mesurage du strontium 90 par la méthode d'extraction par l'acide nitrique fumant et comptage par compteur à circulation gazeuse.
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
    8
  • 5 Matériels
    8
  • 6 Réactifs
    8
  • 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 Préparation de l'échantillon
    9
  • 8.2 Purification du Strontium
    10
  • 8.3 Séparation du strontium et de l'yttrium
    11
  • 8.4 Détermination des rendements
    11
  • 9 Détermination de l'activité volumique en 9°Sr
    12
  • 9.1 Calcul de l'activité volumique et de son incertitude
    13
  • 9.2 Seuil de décision
    14
  • 9.3 Limite de détection
    14
  • 9.4 Expression des résultats
    15
  • 10 Contrôle de la pureté de l'oxalate d'yttrium
    15
  • 11 Présentation des résultats
    15
  • Bibliographie
    16
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