Quantitative X-ray microanalysis: Microcrystal standards and excessive background |
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| Affiliation: | 1. Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, 250012, China;2. School of Mechanical Engineering, University of Jinan, Jinan 250022, China;3. Department of Stomatology, Central Hospital Affiliated to Shandong First Medical University, Jinan 250012, China |
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| Abstract: | Ultrathin sections of dentine and CaHPO4 crystals were measured by X-ray microanalysis in order to test the feasibility of using microcrystal standards for quantitative analysis. Care must be taken if absolute weight percentages are to be calculated after Hall's thin film model, since large uncertainties may arise during determination of background counts, whereas relative weight or atomic ratios provide good results. |
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