“…The trueness of both techniques was evaluated by the standard addition method with recoveries reported for SR-TXRF and EDXRF as 76 and 99% and limit of detection, 13 and 240 mg L À1 , respectively. Worley et al 150 addressed concerns common to many laboratory managers, namely, the reduction of both waste and costs and an improvement in process safety. Their method was related to the quantification of Ga in plutonium by WDXRF.…”