Applicability of microwave induced plasma optical emission spectrometry for wear metal determination in lubricant oil using a multinebulizer

Abstract

In this work, the determination of different metals (i.e., Al, Cr, Cu, Mn, Ni and V) in engine lubricating oils by microwave plasma atomic emission spectrometry (MP AES) has been...

Standard dilution analysis (SDA) as a powerful tool for elemental determination in biodiesel by inductively coupled plasma optical emission spectrometry (ICP OES)

“…Several studies involving SDA have been performed in recent years, 42,44–46 but only a few studies have been performed on elemental determination in organic matrices. 43,47,48 Thus, the goal of this work focuses on the employment of SDA with two internal standards for proposing a simple and robust method for simultaneous determination of Na, K, Ca, Mg, P, Si, and S in biodiesel samples diluted in organic solvent, by the direct introduction in ICP OES. The advantages of the proposed method over standard addition and internal standardization calibration methods will be highlighted by comparing the analytical figures of merit and recovery values.…”