DETERMINATIONS OF BORON AND CHLORIDE IN HIGHLY RADIOACTIVE SAMPLE SOLUTION

To meet the requirements of NUREG-0737 and Atomic Energy Council, Republic of China, the post accident sampling systems have recently been established at Taiwan power stations. The lead shielded cask for transportation of grab liquid sample from sampling station to the off-site backup laboratory was designed, based on the functions of sample taken vertically from sample station and the horizontal transferring of sample vial to the cell of backup laboratory. Spectrophotometric, titrimetric and ion chromatographic methods were studied and comparisons made for the analyses of boron and chloride. It can be concluded that suppressed ion chromatography with remote handling in a lead cell is best for determining boron and chloride simultaneously in a high radioactive sample solution. The method with high accuracy, less interference and rapid analysis is considered and discussed.