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In-phantom dosimetry using CaF2: Tm (TLD-300) ribbons 使用CaF2: Tm (TLD-300)色带进行模内剂量测定
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90002-X
A.S. Pradhan , J. Rassow, K. Olthoff-Muenter, W. Baumhoer, P. Meissner
{"title":"In-phantom dosimetry using CaF2: Tm (TLD-300) ribbons","authors":"A.S. Pradhan ,&nbsp;J. Rassow,&nbsp;K. Olthoff-Muenter,&nbsp;W. Baumhoer,&nbsp;P. Meissner","doi":"10.1016/0020-708X(85)90002-X","DOIUrl":"10.1016/0020-708X(85)90002-X","url":null,"abstract":"<div><p>Parameters of calibrating CaF<sub>2</sub> : Tm for in-phantom dosimetry of therapeutically used fast neutron and <sup>60</sup>Co γ-ray beams have been studied. For <sup>60</sup>Co γ-ray beams the over-response, outside the main beam and at depths in phantom for large fields of irradiations is significant, and is higher for its 240°C glow peak than for its 150°C peak. The difference in the photon energy dependences of the two peaks of CaF<sub>2</sub> : Tm (<em>Z</em><sub>eff</sub> = 16.3), which is responsible for the above effect, is discussed. For therapeutically used cyclotron-produced fast neutron beams, the γ-ray absorbed dose component from photons of energy less than 200 keV is negligible.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 619-625"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90002-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89293082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
The use of 113Sn/113mIn and 207Bi on solid supports as internal standards for energy calibration of a liquid scintillation counter 使用固体支架上的113Sn/113mIn和207Bi作为液体闪烁计数器能量校准的内部标准
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90012-2
Leonard I. Wiebe, Christopher Ediss, Stephen A. McQuarrie
{"title":"The use of 113Sn/113mIn and 207Bi on solid supports as internal standards for energy calibration of a liquid scintillation counter","authors":"Leonard I. Wiebe,&nbsp;Christopher Ediss,&nbsp;Stephen A. McQuarrie","doi":"10.1016/0020-708X(85)90012-2","DOIUrl":"10.1016/0020-708X(85)90012-2","url":null,"abstract":"","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 675-676"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90012-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77383292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acidic aqueous dichromate solutions as reference dosimeters in the 10–40 kGy range 酸性重铬酸盐水溶液在10-40 kGy范围内作为参考剂量计
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90006-7
P.H.G. Sharpe, J.H. Barrett, A.M. Berkley
{"title":"Acidic aqueous dichromate solutions as reference dosimeters in the 10–40 kGy range","authors":"P.H.G. Sharpe,&nbsp;J.H. Barrett,&nbsp;A.M. Berkley","doi":"10.1016/0020-708X(85)90006-7","DOIUrl":"10.1016/0020-708X(85)90006-7","url":null,"abstract":"<div><p>The radiolytic reduction of dichromate ion in acidic aqueous solution has been investigated as a potential dosimetry system for the 10–40 kGy range of absorbed dose. Dilute sulphuric acid has been shown to be unsuitable as a solvent, and the use of 0.1 mol·dm<sup>−3</sup> perchloric acid is recommended. A previously reported effect of silver ion in supressing reaction with hydrogen has been confirmed, and in addition, silver ions have been shown to be effective in eliminating dose rate effects. The temperature coefficient during irradiation has been determined as −0.2% per degree and post-irradiation storage effects are shown to be negligible. The precision of the system is about 0.5% at a dose of 25 kGy, and a suggested composition for a working dosimeter is given.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 647-652"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90006-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79965052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
International committee for radionuclide metrology 国际放射性核素计量委员会
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90014-6
W. Bambynek
{"title":"International committee for radionuclide metrology","authors":"W. Bambynek","doi":"10.1016/0020-708X(85)90014-6","DOIUrl":"https://doi.org/10.1016/0020-708X(85)90014-6","url":null,"abstract":"","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Page 678"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90014-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92116840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrodeposition of radium on stainless steel from aqueous solutions 从水溶液中在不锈钢上电沉积镭
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90013-4
D. Roman
{"title":"Electrodeposition of radium on stainless steel from aqueous solutions","authors":"D. Roman","doi":"10.1016/0020-708X(85)90013-4","DOIUrl":"https://doi.org/10.1016/0020-708X(85)90013-4","url":null,"abstract":"","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Page 677"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90013-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92037090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A captive solvent method for rapid radiosynthesis: Application to the synthesis of [1-11C]palmitic acid 快速放射性合成的俘获溶剂法:在[1-11C]棕榈酸合成中的应用
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90011-0
Douglas M. Jewett, Richard L. Ehrenkaufer, Siya Ram
{"title":"A captive solvent method for rapid radiosynthesis: Application to the synthesis of [1-11C]palmitic acid","authors":"Douglas M. Jewett,&nbsp;Richard L. Ehrenkaufer,&nbsp;Siya Ram","doi":"10.1016/0020-708X(85)90011-0","DOIUrl":"10.1016/0020-708X(85)90011-0","url":null,"abstract":"<div><p>A method is described for the synthesis of [1-<sup>11</sup>C]palmitic acid,in which <sup>11</sup>CO<sub>2</sub> is reacted with a Grignard reagent trapped within the pores of microporous polypropylene powder in a column. The free acid is liberated by passing gaseous HCl through the column. The apparatus is very simple, facilitating automation and miniaturization of the synthesis.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 672-674"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90011-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15166929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Studies of background sources in liquid scintillation counting 液体闪烁计数本底源研究
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90001-8
Donald L. Horrocks
{"title":"Studies of background sources in liquid scintillation counting","authors":"Donald L. Horrocks","doi":"10.1016/0020-708X(85)90001-8","DOIUrl":"10.1016/0020-708X(85)90001-8","url":null,"abstract":"<div><p>In these studies it has been shown that there are two main segments of background measured in a liquid-scintillation counter. One segment is unquenchable and is the result of background events which occur outside of the scintillation solution. The other segment is quenchable and is the result of interactions of cosmic rays, natural radioactivity and radioactive sources in the vicinity of the counter with liquid-scintillator solution.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 609-617"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90001-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78864707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Investigation of the formation of tin(II)-flouride complex by potentiometric titration 电位滴定法研究锡(II)-氟化物络合物的形成
The International journal of applied radiation and isotopes Pub Date : 1985-08-01 DOI: 10.1016/0020-708X(85)90010-9
D. Djokić-Konstantinovska, B. Zmbova
{"title":"Investigation of the formation of tin(II)-flouride complex by potentiometric titration","authors":"D. Djokić-Konstantinovska,&nbsp;B. Zmbova","doi":"10.1016/0020-708X(85)90010-9","DOIUrl":"10.1016/0020-708X(85)90010-9","url":null,"abstract":"<div><p>The purpose of present investigation was to determine optimal condition for obtaining a stable Sn(II) complex with sodium flouride.</p><p>Measurements were performed by a potentiometric titration method, using a selective electrode with a flouride membrane, at pH 5, constant ionic strength and 22 ± 1°C. Stability constants were determined for both water and water-ethanol mixtures.</p><p>The obtained types of tin(II) complexes with flouride anion varied in dependence of Sn(II)/F molar ratio, which also influences the biological behavior of the tin colloid obtained by <sup>99<em>m</em></sup>Tc labelling of tin flouride complexes observed on experimental animals.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 8","pages":"Pages 669-671"},"PeriodicalIF":0.0,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90010-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85896612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Lyoluminescence response of irradiated saccharides to radiation quality effects 辐照糖对辐射质量效应的溶发光响应
The International journal of applied radiation and isotopes Pub Date : 1985-07-01 DOI: 10.1016/0020-708X(85)90103-6
N.A. Atari , S.R. Malik, R. Ramani
{"title":"Lyoluminescence response of irradiated saccharides to radiation quality effects","authors":"N.A. Atari ,&nbsp;S.R. Malik,&nbsp;R. Ramani","doi":"10.1016/0020-708X(85)90103-6","DOIUrl":"10.1016/0020-708X(85)90103-6","url":null,"abstract":"<div><p>Lyoluminescence sensitivity of five different saccharide powders to electron irradiation has been determined using luminol solution as a solvent. Effect of electron energy variation in the range of 5–20 MeV on the lyoluminescence yield has been measured. The light conversion efficiencies of different saccharides irradiated with x-rays, β-particles, γ-rays, fast electrons, <span><math><mtext>170-MeV</mtext><mtext>c π</mtext><msup><mi></mi><mn>−</mn></msup></math></span> mesons and 8-MeV neutrons have been calculated. Factors affecting light conversion efficiency, sensitivity and accuracy of measurements are discussed.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 7","pages":"Pages 517-523"},"PeriodicalIF":0.0,"publicationDate":"1985-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90103-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15177403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Recovery and storage of tritium by Zr-V-Fe getter Zr-V-Fe吸气剂回收和贮存氚
The International journal of applied radiation and isotopes Pub Date : 1985-07-01 DOI: 10.1016/0020-708X(85)90173-5
K. Ichimura, M. Matsuyama, K. Watanabe, T. Takeuchi
{"title":"Recovery and storage of tritium by Zr-V-Fe getter","authors":"K. Ichimura,&nbsp;M. Matsuyama,&nbsp;K. Watanabe,&nbsp;T. Takeuchi","doi":"10.1016/0020-708X(85)90173-5","DOIUrl":"10.1016/0020-708X(85)90173-5","url":null,"abstract":"","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 7","pages":"Page 592"},"PeriodicalIF":0.0,"publicationDate":"1985-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90173-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75242894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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