STATISTICAL ASPECTS OF DOUBLE ISOTOPE LIQUID SCINTILLATION COUNTING BY INTERNAL STANDARD TECHNIQUE
Journal Article
·
· Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed.
OSTI ID:4032198
Equations were derived for calculation of the error in the disintegration rates of two isotopes in a mixture. The way in which the equations can be used to determine useful internal standard activities, channel settings, and isotope ratios is shown. For mixtures of carbon-14 and tritium, internal standard activities of 50,000-- 100,000 dpm for carbon-14 and 100,000-- 150,000 dpm for tritium are useful as single routine quantities. A 1-minute counting time after internal standard addition is routinely adequate. (auth)
- Research Organization:
- Lilly Research Labs., Indianapolis
- NSA Number:
- NSA-18-019872
- OSTI ID:
- 4032198
- Journal Information:
- Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed., Journal Name: Analytical Chemistry (U.S.) Formerly Ind. Eng. Chem., Anal. Ed. Vol. Vol: 36; ISSN ANCHA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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