Radioisotope techniques

absorber absorption curve acid alpha alpha particles aluminum amount Anal Analysis Apparatus and Materials apparent activity applied assay atomic number background beta particles beta radiation beta-ray calculated calibration carbon carrier cent Chem chemical components concentration containing counting rate counting yield counts per minute crystal daughter detection detector determined disintegration rate effect electron emitted equation equilibrium experiment Expt extraction factors film filter gamma radiation gamma-ray Geiger Geiger counter given half-life instruments ionization chamber ions isotope labeled laboratory liquid maximum measured values method mixture neutrons Nuclear Nucleonics nuclide obtained paper particles photons pipette planchet plot precipitate prepared problems procedure proportional counter pulse RaD-E-F radioactive material radioisotopes radionuclide range ratio rays resin sample scintillation counter secular equilibrium self-absorption separation solution solvent specific activity standard deviation substance techniques thickness tion tracer tritium U.S. Atomic Energy usually voltage York