High-resolution spectroscopy using an echelle spectrometer with predisperser—I. Characteristics of the instrument and approach for measuring physical line widths in an inductively coupled plasma

Curve resolution and figures of merit estimation for determination of trace elements in geological materials by inductively coupled plasma atomic emission spectrometry

“…The currently used approaches to overcome the problem of spectral interferences involve the use of high-resolution spectrometers (2,11,(23)(24)(25)(26), generalized standard addition method ( 14), matrix matching (27), application of predetermined interference coefficients with on-line background compensation (9-13), application of peak identification and curve fitting to profile data (17), and curve resolution (15,16). These techniques are limited in use for the following reasons: (a) Due to physical line broadening, even a high-resolution spectrometer cannot usually separate spectral lines located 0.01 nm apart (26,28).…”

Sub-pixel Spectral Reduction Algorithm for Echelle Spectrometer

“…With the development of spectral analysis technology, the demand for equipment with high spectral resolution is increasing. The echelle spectrometer has the advantages of a high spectral resolution, full-spectrum direct reading, compact structure, and small size [1][2][3][4][5][6]. In recent years, it has been widely used in laser-induced breakdown spectroscopy (LIBS) [7][8][9] and inductively coupled plasma emission spectrometer (ICP) [2,10] as the core instrument for spectral analysis.…”

“…The echelle spectrometer has the advantages of a high spectral resolution, full-spectrum direct reading, compact structure, and small size [1][2][3][4][5][6]. In recent years, it has been widely used in laser-induced breakdown spectroscopy (LIBS) [7][8][9] and inductively coupled plasma emission spectrometer (ICP) [2,10] as the core instrument for spectral analysis. An ultra-high spectral resolution and full-spectral direct reading are its most important characteristics.…”

A Novel Approach for the Direct Determination of 28 Analytes in a Ce Matrix Without Chemical Separation Using CCD Detector-based ICP-AES

“…This in turn produces adequate sensitivity and increases the detection limits for many elements (7). The major disadvantage of ICP-AES is that it is subject to various kinds of interferences of which the spectral interference, arising from the complex nature of the emission spectra, forms the major contribution (8)(9)(10)(11).…”