THE PRECIPITATION OF RADIOACTIVE STRONTIUM FROM URINE
Journal Article
·
· Intern. J. Appl. Radiation Isotopes
Factors that influence the precipitation of Sr were investigated with particular reference to the precipitation of radioactive Sr from urine without the addition of stable Sr as carrier. Strontium, along with Ca, may be precipitated quantitatively as the phosphate by rendering urine strongly alkaline with sodium hydroxide. The precipitate however is gelatinous and difficuit to filter. When Sr is coprecipitated with Ca as the oxalate, which is more readily filtered, the precipitation of Sr is highly dependent on the concentration of Ca and the temperature at which the process is carried out. Provided that the concentration of Ca is not less than 2.5 m moles, good recoveries of radioactive Sr may be achieved by precipitating in the cold. Below this concentration the presence of 20% of alcohol produces a further significant reduction in the solubility of the Sr. There is no evidence that Sr/sup 85/ that has been metabolized and excreted in urine behaves differentiy from Sr/sup 85/ added to urine or in simple aqueous solutions. (auth)
- Research Organization:
- Medical Research Council, Harwell, Berks, Eng.
- NSA Number:
- NSA-17-010276
- OSTI ID:
- 4723864
- Journal Information:
- Intern. J. Appl. Radiation Isotopes, Journal Name: Intern. J. Appl. Radiation Isotopes Vol. Vol: 13
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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