Trace elements in aqueous solutions by UltraCarry® method AppNote XRF1085: trace elements in aqueous solutions by UltraCarry
Sulfur, chlorine and ash in coal AppNote XRF1419: analysis of S, Cl and predicted ash in unburned coal
Recycled automotive catalytic converters AppNote XRF1095: analysis of Pt, Rh and Pd in catalytic converters with FP