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Determination of Radioactive Phosphorus
A solvent extraction method was recently proposed for the determination of radiophosphorus in mixtures of radionuclides. This method is rapid and free of interference from other radionuclides. It is used as the basis for the procedure described in this article for the determination of radiophosphorus in water. In this method, phosphorus activity is concentrated from water by coprecipitation with aluminum hydroxide. The precipitate is dissolved in perchloric acid and a manganese dioxide scavenging step is performed to remove radioniobium. Phosphorus is then separated from other activities by extraction of the phosphomolydate complex into a butanol‐chloroform mixture. The phosphorus is back‐extracted into ammonia and precipitated as magnesium ammonium phosphate, which is weighed and betacounted.
Determination of Radioactive Phosphorus
A solvent extraction method was recently proposed for the determination of radiophosphorus in mixtures of radionuclides. This method is rapid and free of interference from other radionuclides. It is used as the basis for the procedure described in this article for the determination of radiophosphorus in water. In this method, phosphorus activity is concentrated from water by coprecipitation with aluminum hydroxide. The precipitate is dissolved in perchloric acid and a manganese dioxide scavenging step is performed to remove radioniobium. Phosphorus is then separated from other activities by extraction of the phosphomolydate complex into a butanol‐chloroform mixture. The phosphorus is back‐extracted into ammonia and precipitated as magnesium ammonium phosphate, which is weighed and betacounted.
Determination of Radioactive Phosphorus
Hahn, Richard B. (author) / Ross, Harley H. (author)
Journal ‐ American Water Works Association ; 57 ; 231-233
1965-02-01
3 pages
Article (Journal)
Electronic Resource
English
Acids , Manganese , Phosphorus , Radionuclides , Aluminum , Solvents , Extraction , Magnesium , Phosphates , Ammonia
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