The facility for the measurements of ¹⁰B concentrations in biological samples includes HPGe detector with 25% relative efficiency and associated Pb - ⁶Li₂CO₃ shielding. Described facility is installed at the distance of 1 m from the exit of the neutron guide. At the target position the neutron flux is approximately 3×10⁶ n cm^-2 s^-1 at the reactor power of 8 MW. This facility makes it possible to determine ¹⁰B concentration of 1 ppm in 1 ml samples with statistical uncertainty of 5% within 15 min. This instrument is in a common property with Nuclear Research Institute, plc.

Applications:
The experimental set-up was mainly developed for the on-line determination of ¹⁰B concentrations of ppm-order in biological samples. This facility can also be used for determination of other isotopes with a sufficiently large (n,g) cross-section.