Direct solids analysis of geological samples using slurry nebulization inductively coupled plasma atomic emission spectrometry

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Abstract
A simple preparation scheme is described for the quantitative analysis of geological materials using slurry nebulization inductively coupled plasma atomic emission spectrometry (ICP-AES). Micrometre to submicrometre particles were obtained using the zirconia bead and bottle method, but employing a 3-dimensional turbulent mixer mill which provides vigorous action. With the use of a V-groove Ebdon nebulizer and a Trassy–Mermet torch system, major, minor and trace elements were determined by ICP-AES using aqueous standards and the application of k-factors to compensate for incomplete recoveries. Alternatively, matrix-matched reference materials were used to analyse a wide range of geological materials varying in chemical and mineralogical composition.

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