Bead-releasing agents used in the preparation of solid samples as beads for WD-XRF measurement
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Bead-releasing agents used in the preparation of solid samples as beads for WD-XRF measurementData de publicació
2008Editor
Wiley-BlackwellISSN
00498246Tipus de document
info:eu-repo/semantics/articleVersió
info:eu-repo/semantics/draftResum
A study has been undertaken of bead-releasing agents that are widely used in preparing solid samples as fused beads for wavelength-dispersive X-ray fluorescence (WD-XRF)spectrometry measurement.
The following bead- ... [+]
A study has been undertaken of bead-releasing agents that are widely used in preparing solid samples as fused beads for wavelength-dispersive X-ray fluorescence (WD-XRF)spectrometry measurement.
The following bead-releasing agents were studied: NaI, LiBr, NH4I, and LiI. Each was
incorporated in different quantities, as a solid and/or in an aqueous solution, together with a
flux, into samples of ceramic raw materials. Release agent interference in the WD-XRF
measurement was analysed, and the optimum quantity of release agent needed to obtain
suitable beads for WD-XRF measurement was determined.
The best results were obtained for LiI, which yielded reproducible beads without significant
interference in the WD-XRF measurement when a relatively small quantity (0.11 LiI g/bead)
was used. [-]
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