Health & Environmental Research Online (HERO)


Print Feedback Export to File
1437487 
Journal Article 
DETERMINATION OF GROSS ALPHA-ACTIVITY IN URINE BY MICROPRECIPITATION WITH LAF3 AND ALPHA-SPECTROMETRY 
Jia, GG; Bazzari, S; Micci, F; Testa, C 
1994 
Yes 
Journal of Radioanalytical and Nuclear Chemistry
ISSN: 0236-5731
EISSN: 1588-2780 
178 
1 
11-18 
WOS:A1994NG34400002 
This paper describes a method for the determination of gross
alpha-activity (actinides) in urine. The method consists of a coprecipitation of actinides as
Fe/Ca phosphates and hydroxides, a purification as iron phosphate and a LaF3 source preparation;
alpha-spectrometry is then carried out without any electroplating procedure. The average
recoveries of the method for actinides (except uranium) were about 83.8 +/- 8.1%. With a counting
time of 1440 min and a counting efficiency of 38% the detection limit was 0.25 mBq/l (6.8 fCi/l).
The gross alpha-activity in urine blanks ranged from 0.35 to 0.80 mBq/l (9.4 to 22 fCi/l). 
IRIS
• Uranium
     WOS
     Merged reference set
     Secondary Refinement
          Retained for manual screening
     Excluded:
          Not chemical specific