Sulfur and chlorine in activated carbon AppNote XRF1507: analysis of sulfur and chlorine in activated carbon
Analysis of Air Filters - U.S. EPA Sensitivity AppNote XRF1951: Analysis of Air Filters - U.S. EPA Sensitivity
Resolving large unit cells by using the correct detector, distance, and beam divergence AppNote PX028: Resolving large unit cells by using the correct detector, distance, and beam divergence