SPECTRAL INTERFERENCES IN THE DETERMINATION OF TRACES OF SCANDIUM, YTTRIUM AND RARE-EARTH ELEMENTS IN PURE RARE-EARTH MATRICES BY INDUCTIVELY-COUPLED PLASMA-ATOMIC EMISSION-SPECTROMETRY .2. PRASEODYMIUM AND SAMARIUM

This paper is the second part of a series of papers dealing with mutual spectral interferences of rare earth elements (REEs) in inductively coupled plasma atomic emission spectrometry (ICP-AES). The present article covers: (a) the spectral data of praseodymium and samarium interferents for 200 pm wide windows centred (+/- 100 pm) about prominent lines of scandium, yttrium and REEs; (b) the data base of Q values for line interference (Q(I)) and Q values for (wing) background interference (Q(W)); and (c) the detection limits measured by using the ''true detection limit'' criterion as proposed by BOUMANS and VRAKKING [Spectrochim. Acta 42B, 819 (1987); 43B, 69 (1988)]. The lines with the lowest values of true detection limits for praseodymium and samarium matrices were chosen for analysis. This article is an electronic publication in Spectrochimica Acta Electronica (SAE), the electronic section of Spectrochimica Acta Part B (SAB). The hardcopy text is accompanied by a disk with data and text files. The data files comprise in particular the tabular material of this article in electronic form.