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-2- The problem of establishing the presence of radium in living persons however involves some unusual circumstances which practically prohibit the determination of quantities of radium of the order of micro-micro grams. We feel that it is safe to say that tix at the present time, it is problematic indeed whether or not a quantity of radium amounting to a microgram distributed in the body of a living person can be detected with certainty by any of the ordinary methods employed for measuring small amounts of radium. The reason for this disparity is of course obvious: For the estimation of radium of the order of micro-micro grams, the emanation is separated either by bringing the material in solution or by heating to high temperatures. Since such measures can not be employed for determining radium in living persons, it is clear that the detection of radium in persons suspec- ted of suffering from*radium poisoning", presents a distinct problem in the measure- ment of radioactivity. The problem is further complicated by the fact that the radium in cases of "radium poisoning" is contained mainly in and distributed fairly uniformly over the entire bony skeleton* The experiments we have conducted to detect the presence of radium and mesothorium in living persons constitutes Part I of this report. In Part II are presented some theoretical considerations which have a direct bearing on the probleme

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Page
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0
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Context sent to Scholar

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    "ocrText": "-2-\nThe problem of establishing the presence of radium in living persons however\ninvolves some unusual circumstances which practically prohibit the determination\nof quantities of radium of the order of micro-micro grams. We feel that it is\nsafe to say that tix at the present time, it is problematic indeed whether or not\na quantity of radium amounting to a microgram distributed in the body of a living\nperson can be detected with certainty by any of the ordinary methods employed for\nmeasuring small amounts of radium. The reason for this disparity is of course\nobvious: For the estimation of radium of the order of micro-micro grams, the\nemanation is separated either by bringing the material in solution or by heating to\nhigh temperatures. Since such measures can not be employed for determining\nradium in living persons, it is clear that the detection of radium in persons suspec-\nted of suffering from*radium poisoning\", presents a distinct problem in the measure-\nment of radioactivity. The problem is further complicated by the fact that the\nradium in cases of \"radium poisoning\" is contained mainly in and distributed fairly\nuniformly over the entire bony skeleton* The experiments we have conducted to\ndetect the presence of radium and mesothorium in living persons constitutes Part I\nof this report. In Part II are presented some theoretical considerations which\nhave a direct bearing on the probleme"
}