Study on carbon-induced signal enhancement in inductively coupled plasma mass spectrometry: an approach from the spatial distribution of analyte signal intensities

Abstract

This study proposed a novel approach for quantifying carbon-induced signal enhancement in ICP-MS considering the spatial distribution of analyte signal intensities.

Characterization and Quantification of Arsenic Species in Foodstuffs of Plant Origin by HPLC/ICP-MS

“…However, several authors reported a possible overestimation of As concentrations due to an excessive amount of CH 3 OH mobile phase. Similarly, both carbon solvents and matrices may induce instrumental drift which is considered one of the main problems of As speciation repeatability during the time [ 33 , 34 ]. For this reason, a minimal percentage of CH 3 OH (3% v / v ) was used in the mobile phase, further diluted with 15% mobile phase B (ultrapure water).…”

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

“…Ariga et al 75 studied the radial and axial distribution of M + in the ICP with and without 5% v/v 2-propanol present in order to study the ‘carbon enhancement’ effect observed in ICP-MS. Their main finding was that the addition of 2-propanol shifted the maximum M + intensity towards the sampling cone by ∼5 mm.…”

“…In a related paper 43 by some of the same workers, results of a study into the feasibility of trapping SeH 2 in the same type of DBD were reported. Using a 75 Se tracer and trapping onto activated carbon, they were able to distinguish between the Se fractions trapped and volatilised at various times in the DBD process. Results indicated that the trapped Se fraction reached 92%, mostly in the central part of the DBD, but 28% of the Se remained aer the volatilisation step.…”