Pulse radiolysis apparatus for monitoring at 2000 Å

H.C. Christensen, G. Nilsson, Palle Bjørn Pagsberg, Sigurd O. Nielsen

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    A pulse radiolysis apparatus with photometric monitoring has been built around an 11 MeV, 250 mA peak current, linac that delivers single 0.25 to 4 μsec pulses. The novel features of the apparatus include (1) a 450 W xenon lamp as the analyzing light source which in pulsed operation had a 25 times increased luminance; (2) a fast electronic switch that cut out the signal due to the Cerenkov radiation; (3) a secondary emission chamber that allowed the simultaneous measurement of the current and the direction of the pulsed electron beam; and (4) a system for remote controlled change of liquid samples stored in glass syringes. Reliable measurements of optical transmission could be made starting 0.2 μsec after the electron pulse at wavelengths down to 2000 Å on transient species having products of yield and absorptivity G×ε>500 mole (100 eV)-1.liter-1.cm-1
    Original languageEnglish
    JournalReview of Scientific Instruments
    Issue number6
    Pages (from-to)786-789
    Publication statusPublished - 1969


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