Application of alpha particle induced x-ray emission to the determination of yttrium, lanthanum, cerium and neodymium in apatite minerals

Roelandts, Iwan; Weber, Géraldine; Quaglia, L.

doi:10.1016/0029-554x(78)90599-2

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1980

1993

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Cited by 14 publications

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“…Furthermore, these specialized instruments are costly and are not available in the majority of geochemical laboratories. Other methods of analysis such as optical emission (OS) (13), atomic absorption spectrometry (AAS) (13,14), X-ray fluorescence (XRF) (15)(16)(17), electron microprobe (EM) (18), charged particle induced X-ray emission spectroscopy (PIXE) (19), and inductively coupled plasma spectroscopy (ICP) (20) have also been applied under favorable circumstances.…”

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confidence: 99%

Determination of light rare earth elements in apatite by x-ray fluorescence spectrometry after anion exchange extraction

Roelandts¹

1981

Anal. Chem.

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mentioning

confidence: 99%

Determination of light rare earth elements in apatite by x-ray fluorescence spectrometry after anion exchange extraction

Roelandts¹

1981

Anal. Chem.

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Optimization of geometry for x‐ray analysis of rare earth materials

1987

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A method of sample excitation is proposed for obtaining good sensitivity and detection limits for rare earth elements (57 ≤ Z ≤ 69) by energy‐dispersive X‐ray fluorescence analysis using a 241Am radioisotope source. Detection limits of about 100—300 ng for most of the elements using a thin multi‐element sample on a Mylar backing are obtained for a counting time of 1 h with a 100 mCi source. The configuration employed is a close‐coupled collimated side source geometry in which the sample is mounted at 45° to the plane of the detector. This geometry was found to be superior to the commonly used wide annular geometry in terms of the detection limits obtained for the analysis of rare earth elements. A comparative study of the performance of different source geometries using both Mylar‐ and cellulose‐based samples is described.

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Determination of Y, Zr, Ba, La and Ce in granitic rocks using energy‐dispersive X‐ray fluorescence

1989

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Application of alpha particle induced x-ray emission to the determination of yttrium, lanthanum, cerium and neodymium in apatite minerals

Cited by 14 publications

References 22 publications

Determination of light rare earth elements in apatite by x-ray fluorescence spectrometry after anion exchange extraction

Determination of light rare earth elements in apatite by x-ray fluorescence spectrometry after anion exchange extraction

Optimization of geometry for x‐ray analysis of rare earth materials

Determination of Y, Zr, Ba, La and Ce in granitic rocks using energy‐dispersive X‐ray fluorescence

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