Abstract
Continuous analytical data are required in nuclear fuels reprocessing plants to evaluate instantaneous decontamination of fission products, concentration of uranium and plutonium in product streams, and amount of products to waste. Continuous analyzers developed and used at Hanford to help provide these data are as follows: light photometer, gamma ray absorptiometer, polarograph, pH monitor system, gamma scintillation detector, alpha particle detector, and neutron detector. The analyzers have provided continuous analytical data and improved control and efficiency. Plant tests can be run in a fraction of the previous time required, and tests can be made that could not be carried out previously. Although designed for inaccessible installations, the analyzers are readily adaptable to more conventional plants. (auth)
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