Gesellschaft Fur Kernenergieverwertung in Schiffbau Und Schiffahrt Mbh

Rudolf Pepelnik

Walfried Michaelis

Hans-Ulrich Fanger

A method of and apparatus for ascertaining the volume components of a thrcomponent mixture, according to which the mixture is radiated simultaneously by two gamma sources of different energy. The passed-through radiation is picked up by a common detector, and the detector signals are spectroscoped alone with regard to the components of the two gamma lines. The spectogram is evaluated with regard to the two transmissions and with regard to the extinction coefficient pairs for each of the three components (.mu..sub.k1,.mu..sub.k2),(.mu..sub.s1,.mu..sub.s2),(.mu..sub.w1,.mu..sub. w2) whereupon, with a known length of the transmission distance, the volume parts of the components are calculated as function

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Bornsen, Germany

Rudolf Pepelnik