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Panel Discussion on PIXE Analysis and AccuracyNo Access

ORIGINAL METHODS OF QUANTITATIVE ANALYSIS DEVELOPED FOR DIVERSE SAMPLES IN VARIOUS RESEARCH FIELDS — QUANTITATIVE ANALYSIS AT NMCC

KOICHIRO SERA

Cyclotron Research Center, Iwate Medical University, 348-58 Tomegamori, Takizawa 020-0173, Japan

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https://doi.org/10.1142/S0129083503000051Cited by:1 (Source: Crossref)

Abstract

Nishina Memorial Cyclotron Center (NMCC) has been opened for nationwide-common utilization of positron nuclear medicine (PET) and PIXE since April 1993. At the present time, nearly 40 subjects of PIXE in various research fields are pursued here, and more than 50,000 samples have been analyzed up to the present. In order to perform quantitative analyses of diverse samples, technical developments in sample preparation, measurement and data analysis have been continuously carried out. Especially, a "standard-free method for quantitative analysis" made it possible to perform analysis of infinitesimal samples, powdered samples and untreated bio samples, which could not be well analyzed quantitatively in the past. The "standard-free method" and a "powdered internal standard method" made the process for target preparation quite easier. It has been confirmed that results obtained by these methods show satisfactory accuracy and reproducibility preventing any ambiguity coming from complicated target preparation processes.

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Vol. 13, No. 01n02

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