Problem- An aliquot of a solution containing a pure beta particle emitter is counted in a liquid- scintillation counter, while an equal aliquot is evaporated and counted with a thin window G-M counter. The observed background-corrected counting rates were 5835 ± 70 cpm and 32020 ± 215 cpm.
1) Which detector is associated with each counting rate and why do they differ?
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