What can be a cause for abnormal results in EDX spectra (SEM EDX) of mixed silver borate-iodide?

The problem is that the weight quantities sum exceeds 120% while all the standards (two different sets including pure elements and compounds such as LaB6, RbI, AgI, NaAlSi3O8) lay in the range...

30 January 2022 7,362 4 View