Abstract: AbstractExcimer nano‐second laser ablation inductively coupled plasma mass spectrometry (ns‐LA‐ICP‐MS) is an important tool in chemical characterization of Cu alloys. However, variable matrix‐induced elemental fractionation in Cu alloys poses a significant challenge. We systematically investigate this issue by analysing the Cultural Heritage Alloy Reference Material Set (CHARM) of Cu alloy targets. The extent to which silicate glass reference materials can be used when analysing Cu alloy targets is determined, as is the optimal intern...
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