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SIMULTANEOUS DETERMINATION OF STRONTIUM AND CALCIUM IN URINE AND SERUM BY FLAME SPECTROPHOTOMETRY

Journal Article · · Italian Journal of Biochemistry (Italy)
OSTI ID:4178633
;
A method is described for the simultaneous determination of strontium and calcium in urine and serum samples. The method consists in deproteinizing the biological fluids, precipitating calcium and strontium oxalates, dissolving the precipitates in hydrochloric acid, and measuring the emission in a flame spectrophotometer at the following pairs of wavelengths: 423-461 m mu and 622- 681 m mu . By subtracting the emission of calcium (the quantity of which is obtained at 423 m mu or 681 m mu ) from the total emission measured at the strontium wavelength (461 or 681 m mu ), one can obtain the strontium quantities within an average error of 0.2 mu g/ml (0.04 mg/100 ml of serum when the quantity of the element varies from 0 to 10 mu g/ml (0 to 2 mg/100 ml of serum). At 423-461 m mu better results are obtained. (auth)
Research Organization:
Universita, Rome
NSA Number:
NSA-14-017817
OSTI ID:
4178633
Journal Information:
Italian Journal of Biochemistry (Italy), Journal Name: Italian Journal of Biochemistry (Italy) Vol. Vol: 8; ISSN IJBIA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

BLOOD SERUM
CALCIUM
CHEMISTRY
EMISSION
HYDROCHLORIC ACID
MEASURED VALUES
OXALATES
PHOTOMETRY
PRECIPITATION
QUANTITATIVE ANALYSIS
SPECTRA
STRONTIUM
URINE