A method is described for the simultaneous determination of low concentrations of Ca, Cr, Cu, Fe, Mn and Ni in nuclear-grade uranium dioxide by x-ray fluroescence spectrometry, without the use of chemical treatment. The lower limtis of detection range from 2 pg g-l for nickel and manganese to 5 Ng g
Analysing metals in bottle-grade poly(ethylene terephthalate) by X-ray fluorescence spectrometry
✍ Scribed by Wanderson Romão; Marcos F. Franco; Maria Izabel M. S. Bueno; Marcos N. Eberlin; Marco-Aurelio De Paoli
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 636 KB
- Volume
- 117
- Category
- Article
- ISSN
- 0021-8995
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The orientation of the noncrystalline (amorphous) phase in poly (ethylene terephthalate) fibers is analyzed by separating the amorphous scattering in the wideangle x-ray diffraction patterns into isotropic and anisotropic components. Two parameters are used to characterize the amorphous orientation-
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