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Continuation of Experiemt a on the Determination
of the Rate of Excretion of Radium Solutions
Injected Intravenous! 1y into Guinea Pigs.
page 3.
Experiment 6. 14 days after the injection one pig was killed
and incinerated, weight of ash, 17.52 Brans.
Radium found 1.31 and 1.27, average 1.29 micrograms.
Experiment 7. Two of the pigs died three weeks after the in-
jection was made Both were incinerated and sent to the lab-
oratory for analysiss
Pig a. Weight of ash, 14.04 grans. Radium found, 1.63, 1.56,
1.57, 1.58, average 1.59 micrograms.
Pig b. Weight of ash, 17.50 grams. Radiium found, 0.82, 0.89,
0.86, 0.91 average 0.87 micrograms.
I un unable to account for the variation in the quantities of
radium found in the two pigs of Experimant 7. It would seen
that they should show better agreement than they do, also,
the quantities found are not in line with what we would expect
from the previous pigs analyzed. The resulte reported represent
duplicate determinations by two different methods made at
different times, consequently they cannot be far wrong.
H. H. Barker.
Physical Laboratories,
January 25, 1926.
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"ocrText": "Continuation of Experiemt a on the Determination\nof the Rate of Excretion of Radium Solutions\nInjected Intravenous! 1y into Guinea Pigs.\npage 3.\nExperiment 6. 14 days after the injection one pig was killed\nand incinerated, weight of ash, 17.52 Brans.\nRadium found 1.31 and 1.27, average 1.29 micrograms.\nExperiment 7. Two of the pigs died three weeks after the in-\njection was made Both were incinerated and sent to the lab-\noratory for analysiss\nPig a. Weight of ash, 14.04 grans. Radium found, 1.63, 1.56,\n1.57, 1.58, average 1.59 micrograms.\nPig b. Weight of ash, 17.50 grams. Radiium found, 0.82, 0.89,\n0.86, 0.91 average 0.87 micrograms.\nI un unable to account for the variation in the quantities of\nradium found in the two pigs of Experimant 7. It would seen\nthat they should show better agreement than they do, also,\nthe quantities found are not in line with what we would expect\nfrom the previous pigs analyzed. The resulte reported represent\nduplicate determinations by two different methods made at\ndifferent times, consequently they cannot be far wrong.\nH. H. Barker.\nPhysical Laboratories,\nJanuary 25, 1926."
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