Morris, WMSimpson, BRS2007-02-062007-06-072007-02-062007-06-072004-02Morris, WM and Simpson, BRS. 2004. Preparation of solid water-equivalent radioactive standards. Applied Radiation and Isotopes, vol. 60, 04 February, pp 557-5600969-8043http://hdl.handle.net/10204/1537http://hdl.handle.net/10204/1537Radioactive water standards prepared in Marinelli beakers can pose a problem due to potential leakage that can both compromise the standard and present a safety hazard. These difficulties can be circumvented by solidifying the standard such that it remains fundamentally water-equivalent. This paper describes a procedure that avoids the need to irradiate the standard. This entails the use of a small quantity of a super absorbent polymer, namely lightly cross linked polyacrylate. The polymer granules are simply added to the radioactive solution and thoroughly mixed to achieve homogeneity during the solidification process. Extensive measurements have confirmed the solid standard to be both homogeneous and water-equivalent.200577 bytesapplication/pdfenCopyright: 2004 Pergamon-Elsevier Science LtdSuper absorbent polymersWater-equivalent standardsRadioactive volume standardsCross-linked polyacrylateInorganic chemistryNuclear sciencesArticleMorris, W., & Simpson, B. (2004). Preparation of solid water-equivalent radioactive standards. http://hdl.handle.net/10204/1537Morris, WM, and BRS Simpson "Preparation of solid water-equivalent radioactive standards." (2004) http://hdl.handle.net/10204/1537Morris W, Simpson B. Preparation of solid water-equivalent radioactive standards. 2004; http://hdl.handle.net/10204/1537.TY - Article AU - Morris, WM AU - Simpson, BRS AB - Radioactive water standards prepared in Marinelli beakers can pose a problem due to potential leakage that can both compromise the standard and present a safety hazard. These difficulties can be circumvented by solidifying the standard such that it remains fundamentally water-equivalent. This paper describes a procedure that avoids the need to irradiate the standard. This entails the use of a small quantity of a super absorbent polymer, namely lightly cross linked polyacrylate. The polymer granules are simply added to the radioactive solution and thoroughly mixed to achieve homogeneity during the solidification process. Extensive measurements have confirmed the solid standard to be both homogeneous and water-equivalent. DA - 2004-02 DB - ResearchSpace DP - CSIR KW - Super absorbent polymers KW - Water-equivalent standards KW - Radioactive volume standards KW - Cross-linked polyacrylate KW - Inorganic chemistry KW - Nuclear sciences LK - https://researchspace.csir.co.za PY - 2004 SM - 0969-8043 T1 - Preparation of solid water-equivalent radioactive standards TI - Preparation of solid water-equivalent radioactive standards UR - http://hdl.handle.net/10204/1537 ER -