Looks like someone's got access to an Atomic Absoption spectrometer! The numbers these things chuck out are far from accurate! Ball park figs for the Si, Cu and Mn though.
Depends how the sample was taken and who was doing the analysis. Out of interest did they give you the results of a known reference standard measured on the same day?
Depends how the sample was taken and who was doing the analysis. Out of interest did they give you the results of a known reference standard measured on the same day?