Ultratrace potassium determination in plutonium oxide
作者： M. Schappert , D. Gallimore , N. Xu
DOI: 10.1007/S10967-014-3807-5
关键词: Spectrometer 、 Analytical chemistry 、 Inductively coupled plasma atomic emission spectroscopy 、 Detection limit 、 Plutonium 、 Potassium 、 Radiochemistry 、 Parts-per notation 、 Chemistry 、 Matrix (chemical analysis) 、 Oxide
摘要: A new method improving the detection limit for potassium in plutonium oxide samples a high acid matrix was developed. Ultratrace limits (sub parts per million) digestate were achieved by optimizing several instrument parameters. Using Horiba Jobin–Yvon Ultima 2 ICP-AES spectrometer different settings and conditions examined to improve potassium. The optimized parameters of 0.875 L min−1 sheath gas flow, 20/80 µm entrance/exit slit, 8 s MAX mode signal integration, blank subtraction able lower reporting 10 ng mL−1.
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