Correcting sensitivity drift during long-term multi-element signal measurements by solid sampling-ETV-ICP-MS

Solid sampling electrothermal vaporization inductively coupled plasma optical emission spectrometry for discrimination of automotive paint samples in forensic analysis

“…In ETV-ICP-MS, such effect is compensated by using Ar 2 + as an internal standard, which provides accurate results 34 and corrects for signal drift. 35 Hence, in this work, internal standardization with an Ar emission line was performed, as had been done previously on the same ICP-OES instrument with solution nebulization. 36,37 Pair-wise comparison of analytical signals is a common method for the discrimination of paint samples in forensic analysis.…”

Improvement of the capabilities of solid sampling ETV-ICP-OES by coupling ETV to a nebulisation/pre-evaporation system

“…2, where an increasing suppression of the Ar emission signal resulted as the amount of soil introduced was increased. Such an effect is typically compensated using an Ar 2 + signal as the internal standard in ETV-ICP-MS, 27,28 or using an Ar emission line (Ar 763.511 nm) in SS-ETV-ICP-OES. 18,29 The latter was thus systematically done, as it signicantly improved the linearity of calibration curves.…”

Sample Preparation for Determination of Rare Earth Elements in Geological Samples by ICP-MS: A Critical Review

“…The use of ETV has been a powerful sample introduction accessory for ICP-MS (Martin-Esteban, Slowikowski, and Grobecker 2004;Belarra et al 2002), as it leads to high transport efficiency, low sample consumption, low limits of detection and versatility to analyze liquid or solid samples, and even to combine the advantages of liquid and of solid sampling by allowing the process of slurries. It is also possible to use the graphite tube as a reactor, by adding digestion reagents and chemical modifiers (Xiong, Hu, and Jiang 2008).…”

“…This represents an important reduction in the analysis time, mainly for refractory samples, which can require many hours to solubilize, compensating the increase in time due to the temperature program that takes only few minutes. In addition, the risk of contamination or analyte loss is reduced, the sensitivity increases, as samples are barely (slurries) or not diluted and a smaller amount of sample, as well as reagents, is required, resulting in economic and environmental benefits (Becker 2002;Younes, Gregoire, and Chakrabarti 1999;Maia et al 2000;Maia et al 2001;Maia, Pozebon, and Curtius 2003;Arslan and Paulson 2003;Martin-Esteban et al 2004;Dias et al 2005;He et al 2005;Resano, Vanhaecke, and de Loos-Vollebregt 2008).…”