Gold is one of the most coveted commodities all over the planet. Assaying is the process of determining the purity or quality of gold in a piece of jewellery, coin, bar or ingot.

The different methods that are employed to determine the content or quality are Touchstone method, X-Ray Fluorescence (XRF), Inductive Coupled Plasma (ICP), Spark Spectrometer, Fire Assay and Wet Assaying.


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