Cerenkov and liquid scintillation analysis of the triple label 86Rb35S33P
✍ Scribed by Alfian Noor; M. Zakir; Burhanuddin Rasyid; Maming; M.F. L'Annunziata
- Book ID
- 103990022
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 658 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0969-8043
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✦ Synopsis
A method was developed for the analysis of StRb-35S-33P as a triple-label. The analysis of the total activity of composite mixtures of the three radionuclides was demonstrated to be quantitative by the liquid scintillation efficiency tracing technique with recoveries between 99.7-100.4%. The activity of StRb in the triple label was determined by Cerenkov counting in water with a 52% counting efficiency. The combined activities of 3sS + "P were determined by subtracting the activity of StRb from the total activity of the triple label. The separate activities of 35S and 33p are obtained by difference after a period of time sufficient for the decay of 33p to negligible levels leaving only residual "S in the sample. The method described is useful for the analysis of ~Rb-3~S-'P as a triple label for the elements K-S-P in studies of fertilizer use efficiency.