2009•Nonferrous MetalsRequires access

Determination of Mg in Gold by Flame Atomic Absorption Spectrometry

Shufang Tang

Abstract

The method of determination of magnesium in gold by flame atomic absorption spectrometry is studied.Dilute aqua-regia is used to digest sample.Elemental gold is precipitated when sulfur trioxide smoking,then magnesium is determined by FAAS.The detection limit of the method for Mg is 0.0069μg/mL and recovery is 96%～99% with precision of 4.2%～6.9% RSD(n=6).

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Available abstract

Key concepts: Aqua regia, Detection limit, Magnesium, Atomic absorption spectroscopy, Chemistry, Analytical Chemistry (journal), Trioxide, Mass spectrometry