Trace elements in aqueous solution with UltraCarry AppNote XRF1011: sub-ppm metals in aqueous solutions with UltraCarry
Analysis of Air Filters - U.S. EPA Sensitivity AppNote XRF1951: Analysis of Air Filters - U.S. EPA Sensitivity
RoHS: Cr, Hg, Pb, Br and Cd in polyethylene AppNote XRF1602: analysis of Cr, Hg, Pb, Br and Cd in polyethylene (RoHS)