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Towards a general acid-based method for the determination of gold in ore samples by inductively-coupled plasma-mass spectrometry (ICP-MS), together with an investigation of solvent extraction of gold for analytical determination by microwave-induced plasma-atomic emission spectrometry (MIP-AES)

In this paper, we explore a variety of aqueous digestion techniques for the determination of gold, in a wide variety of mineral matrices. These include feldspar, basalt, pyrites, and other gold-containing minerals. The acid-based digestion methods compete effectively with fire assay to deliver accurate and p

Authors:   Wryan Helmeczi; William Erick Helmeczi; Laura Agnes Baker; Yong Wang; I D Brindle
Journal:   Journal of Analytical Atomic Spectrometry
DOI:   10.1039/C8JA00136G
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