Sr90-CA SEPARATION IN SAMPLES OF MILK. PART ONE

Descripción del Articulo

It is shown a chemical method to separate Sr90/Ca/Ba from milky samples in order to reduce expenses. The separation of Ca from Sr90/Ba is carried out in ethanol. Ca is evaluated by permanganometry method while the Ba is separated as BaCrO4 and the Sr90 is precipitated as oxalate. The recovery of Sr9...

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Detalles Bibliográficos
Autores: Rivera C., Dolores, Guzmán D., Aldo
Formato: artículo
Fecha de Publicación:2001
Institución:Universidad Nacional Mayor de San Marcos
Repositorio:Revistas - Universidad Nacional Mayor de San Marcos
Lenguaje:español
OAI Identifier:oai:ojs.csi.unmsm:article/4104
Enlace del recurso:https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/4104
Nivel de acceso:acceso abierto
Materia:Sr90 in milks
radiochemiscal separations
Sr90 contamination
radioactive contamination
Sr90 en leches
separaciones radioquímicas
contaminación por Sr90
Contaminación radiactiva
Descripción
Sumario:It is shown a chemical method to separate Sr90/Ca/Ba from milky samples in order to reduce expenses. The separation of Ca from Sr90/Ba is carried out in ethanol. Ca is evaluated by permanganometry method while the Ba is separated as BaCrO4 and the Sr90 is precipitated as oxalate. The recovery of Sr90 is done by using a trace trailing of Sr85 which is quantified by spectrornetry. The result of the first part shows a chemical recovery of between 79 - 80% and the separation factors are equivalent to 1.
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