Analytical spectroscopy: Concentrations of Manganese and Chromium in steel

Analytical spectroscopy: Concentrations of Manganese and Chromium in steel % of Mn and Cr in your steel sample (unknown steel #3) %Mn? standard deviation? %Cr? std.dev? What is the greatest source of error in this experiment? Be able to succinctly define the following. signal to noise: Limit of detection: Dynamic range: signal averaging: PLACE THIS ORDER OR A SIMILAR ORDER WITH US TODAY AND GET AN AMAZING DISCOUNT :)