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|Title:||An Automated System for the Preparation of Large Size Dried (LSD) Spikes|
|Authors:||VERBRUGGEN ANDRE; VAN DE STEENE N.; BAUWENS JEROEN; JAKOBSSON ULF; EYKENS ROGER; AREGBE YETUNDE|
|Citation:||Conference Proceedings ATALANTE 2008 p. P7_05 (1-4)|
|Type:||Articles in periodicals and books|
|Abstract:||Large size dried (LSD) spikes have been produced to fulfil the existing requirement for reliable and traceable isotopic reference materials for nuclear safeguards. A system to produce certified nuclear isotopic reference material as a U/Pu mixture in the form of large size dried spikes, comparable to those produced using traditional methods has been installed in collaboration with Nucomat, a company with a recognized reputation in design and development of integrated automated systems. The major components of the system are a robot, two balances, a dispenser and a drying unit fitted into a glove box. The robot is software driven and designed to control all movements inside the glove-box, to identify unambiguously the penicillin vials with a barcode reader, to dispense the LSD batch solution into the vials and to weigh the amount dispensed. The system functionality has been evaluated and the performance validated by comparing the results from a series of samples dispensed and weighed by the automated system with the results by manual substitution weighing. After applying the proper correction factors to the data from the automated system balance no significant difference was observed between the two. However, an additional component of uncertainty of 3¿10-4 is introduced in the uncertainty budget for the certified weights provided by the automatic system.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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