Abstract
High-resolution gamma-ray spectra of radioactive aqueous samples with volume of 0.1-4.0 L were measured using a 20% relative efficiency germanium detector. A total of 308 spectra, covering the photoenergy range of 50-1500 keV, were sorted and analyzed with various sample geometries. The optimum dimensions of a Marinelli-like container were obtained to maximize the count rate of aqueous samples up to 4 L. Relations among the radius, height and volume of the optimum geometry for the Marinelli-like container are established. © 1991.