Strengths, weaknesses, opportunities and threats, where strengths and weaknesses are analyzed from an internal prospective and opportunities and threats are viewed from an external perspective.
Depends on the report. And the readers interpretation of the report, including the analysis of how the interpreter interprets the analysis of the report.
There is an XRF method used for rocks and minerals that involves making a glass disc by fusing the stuff being analyzed in the presence of air at high temperature in a platinum crucible with lithium...