Archive description
Report covers work done by calorimetry research group in measuring the power generated by each of the 228 bismuth slugs which were irradiated in four adjacent channels in the Hanford DR pile.
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Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.
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rfleaf,,uring the power generated by each of the 228btrutb sl74r, which were irradiAed in four adjfiCCrit channels in the Hanford DR. pile. rhe activity of polonium 210 in curter at 12 o'clock noon on 11c,wember 20,141, l given for each :,-4ug In Tablet 1, 3 k rki 4. Thee values were obtained by back decaying esch menflared value to the time the iug were rerrloved from the pile. 3:he equtions and conotants used are the a,7.: those recorded in a previou ,..':ornrunicatton (tloumi Laboratory letter dated January 31,142 Lot. 52-2-1). In order to check the validity of thee equations, ten olug_!.: were calorimetered f;hortiy after the time of removal from the pile and again at later- date. fher,e thcuJe'. In:'able 5 ;ftiong with the values obtained from eleven other pericKi baginning with the fifteenth (iay after the slug Tos, removed from the pile. The reultp are hown in fable 6. ';imilar data were taken with P. ec on d you dealre any further intern:Aim cone tionf:' we will be piesexl to hep,r iron you. Released through the
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etalled final report on thit, research work will be prepared by the Calorimetry 1.-Ze7earch Croup at Mound 1, aboratory. report will contain description of the c&lorirnetry equipment and technique and the rosulL , obtained. It is hoped Technology providing mutual ?,;ec.utity restrictiorx will perrAt. We would, of cour2e, welcome your editing and refereeing the Rrticle before it appeared in the journal. An expreelon of jour feeling.0 with ref*pe.ct to thizi procedure would .11w:...,rd a Montgomery of Hanford is very much intere7ted In thee rota zzecutive IA: tor
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Total on 11-20-51 12 o'clock noon 1054.4 curies Total on 11-26-51 12 o'clock noon 01 1091.0 curies
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CUR VALUES AT THE. Tit& OF Ri1.40VAL Total on 11-20-51 12 o'clock noon -1057, 9 curies Total on 11-26-51 12 o'clock noon *31094.6 curies
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FROM TUBA:: NO. 2476-DR. plug Number C2CuWies Slug Number Total on 11-20-51 12 o'clock noon MI 1085,5 curies Total on 12-28-51 12 o'clock noon 1102.5 curies
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Total on 11-20-51 12 o'clock noon *1090,2 curies Total on 11-26-51 12 o'clock noon 01128. 1 curies * Corrected value quoted at 22.793 In letter 52-2.19.
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1ug Number Calorimeter Lays After Used Removal from Pile ocae 54 le. te
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Comparative Meaeuren ergs lug Number er The calculated pbable error from theca m me fn 0.0f357
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Days After Fe From alori meter probable error 0.040 percent Days After Removal probable error mi 0. 137 percent. neglecting line 2 probable error is 0.056 percent