
Keywords: لامپ تخلیه الکترود نشده; PTWI; Provisional Tolerable Weekly Intakes; THGA; Transversely-Heated Graphite Atomizer; EDL; Electrodeless Discharge Lamp; ETAAS; Electrothermal Atomic Absorption Spectrometry; LOD; limits of detection; LOQ; limit of quantification; RSD; relative standar