NF ISO 13160
Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting
ISO 13160:2012 specifies the test methods and their associated principles for the measurement of the activity of 90Sr in equilibrium with 90Y, and 89Sr, pure beta-emitting radionuclides, in water samples. Different chemical separation methods are presented to produce strontium and yttrium sources, the activity of which is determined using a proportional counter (PC) or liquid scintillation counter (LSC). The selection of the test method depends on the origin of the contamination, the characteristics of the water to be analysed, the required accuracy of test results and the available resources of the laboratories.These test methods are used for water monitoring following, past or present, accidental or routine, liquid or gaseous discharges. It also covers the monitoring of contamination caused by global fallout.When fallout occurs immediately following a nuclear accident, the contribution of 89Sr to the total amount of strontium activity is not negligible. ISO 13160:2012 provides the test methods to determine the activity concentration of 90Sr in presence of 89Sr.
ISO 13160:2012 specifies the test methods and their associated principles for the measurement of the activity of 90Sr in equilibrium with 90Y, and 89Sr, pure beta-emitting radionuclides, in water samples. Different chemical separation methods are presented to produce strontium and yttrium sources, the activity of which is determined using a proportional counter (PC) or liquid scintillation counter (LSC). The selection of the test method depends on the origin of the contamination, the characteristics of the water to be analysed, the required accuracy of test results and the available resources of the laboratories.
These test methods are used for water monitoring following, past or present, accidental or routine, liquid or gaseous discharges. It also covers the monitoring of contamination caused by global fallout.
When fallout occurs immediately following a nuclear accident, the contribution of 89Sr to the total amount of strontium activity is not negligible. ISO 13160:2012 provides the test methods to determine the activity concentration of 90Sr in presence of 89Sr.
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.
Le présent document décrit les conditions de mesurage du strontium 90 par la méthode d'extraction de l'yttrium.
Le présent document décrit les conditions de mesurage de l'activité du strontium 90, avec une séparation radiochimique du strontium 90 par extraction sur résine de type "éther-couronne".
ISO 13160:2012 specifies the test methods and their associated principles for the measurement of the activity of 90Sr in equilibrium with 90Y, and 89Sr, pure beta-emitting radionuclides, in water samples. Different chemical separation methods are presented to produce strontium and yttrium sources, the activity of which is determined using a proportional counter (PC) or liquid scintillation counter (LSC). The selection of the test method depends on the origin of the contamination, the characteristics of the water to be analysed, the required accuracy of test results and the available resources of the laboratories. These test methods are used for water monitoring following, past or present, accidental or routine, liquid or gaseous discharges. It also covers the monitoring of contamination caused by global fallout. When fallout occurs immediately following a nuclear accident, the contribution of 89Sr to the total amount of strontium activity is not negligible. ISO 13160:2012 provides the test methods to determine the activity concentration of 90Sr in presence of 89Sr.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Symboles, définitions et unités1
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4 Principe2
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4.1 Généralités2
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4.2 Séparation chimique3
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4.3 Détection3
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5 Réactifs chimiques et appareillage3
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6 Mode opératoire3
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6.1 Préparation de la prise d'essai3
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6.2 Séparation chimique4
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6.3 Préparation de la source pour essai5
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6.4 Mesurage6
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7 Expression des résultats8
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7.1 Détermination de 90Sr en équilibre avec 90Y8
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7.2 Détermination de 90Sr par croissance du 90Y9
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7.3 Détermination de 90Sr en présence de 89Sr lorsque le 90Sr et le 90Y sont en équilibre11
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7.4 Limites de l'intervalle de confiance14
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8 Contrôle de la qualité14
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9 Rapport d'essai14
- Annexe A (informative) Détermination de 89Sr et 90Sr par précipitation et comptage proportionnel16
- Annexe B (informative) Détermination de 89Sr et 90Sr par précipitation et comptage des scintillations en milieu liquide20
- Annexe C (informative) Détermination de 90Sr à partir de son produit de filiation 90Y en équilibre, par extraction organique et comptage des scintillations en milieu liquide24
- Annexe D (informative) Détermination de 90Sr après séparation par échange d'ions, par comptage proportionnel27
- Annexe E (informative) Détermination de 90Sr après séparation sur une résine spécifique de type "éther couronne" et comptage des scintillations en milieu liquide30
- Annexe F (informative) Détermination de 90Sr à partir de son produit de filiation 90Y en équilibre par extraction organique et comptage proportionnel32
- Annexe G (informative) Facteur de correction relatif au contrôle de la pureté en utilisant le comptage proportionnel36
- Bibliographie39
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