The Effect of Quench on Quantitating Alpha Radionuclides by Liquid Scintillation Counting
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چکیده
Detecting and quantitating alpha emitting radionuclides are routine tasks in nuclear energy and environmental monitoring. For this purpose, liquid scintillation counting (LSC) is an excellent method because alphas are counted with nearly 100% counting efficiency with low backgrounds, even with severe quenching. Quenching agents such as inorganic acids, organic acids, and extractive scintillators are often required to prepare samples when assaying high-level radioactive waste. Spectral data show that in spite of a shift to lower energy and a general broadening of the spectra, 100% counting efficiency is maintained for alpha nuclides. Extractive scintillators show improvement in alpha resolution compared to cocktails containing emulsifiers However, resolution generally degrades with an increase in quench. This effect of quench on counting efficiency and resolution for alpha emitters is discussed.
منابع مشابه
The Effect of Quench on Quantitating Alpha Radionuclides by Liquid Scintillation Counting
Detecting and quantitating alpha emitting radionuclides are routine tasks in nuclear energy and environmental monitoring. For this purpose, liquid scintillation counting (LSC) is an excellent method because alphas are counted with nearly 100% counting efficiency with low backgrounds, even with severe quenching. Quenching agents such as inorganic acids, organic acids, and extractive scintillator...
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