S. Velichkov

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-I. Cerium, neodymium and lanthanum matrices

N. Daskalova, S. Velichkov, N. Krasnobaeva et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 1992 · 38 citations

Rare Earth Mineral, Lanthanum Matrices, Spectroscopy +5

Problems, possibilities and limitations of inductively coupled plasma atomic emission spectrometry in the determination of platinum, palladium and rhodium in samples with different matrix composition

Petranka Petrova, S. Velichkov, Nikolaya Velitchkova et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2009 · 33 citations

Chemical Engineering, Engineering, Analytical Instrumentation +10

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 Part III. Europium

N. Daskalova, S. Velichkov, P. Slavova · Spectrochimica Acta Part B Atomic Spectroscopy · 1996 · 31 citations

Rare Earth Mineral, Spectroscopy, Spectral Interferences +4

Spectral interferences in the determination of rhenium in molybdenum and copper concentrates by inductively coupled plasma optical emission spectrometry (ICP-OES)

Metodi Karadjov, Nikolaya Velitchkova, Olga Veleva et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2016 · 25 citations

Chemical Engineering, Engineering, Atomic Emission Spectroscopy +10

Application of inductively coupled plasma atomic emission spectrometry in analytical control of single crystals of potassium titanylphosphate: spectral interferences, line selection, detection limits and trace element determination

N. Daskalova, S. Velichkov, P. Slavova et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 1997 · 20 citations

Single Crystals, Analytical Instrumentation, Atomic Emission Spectroscopy +11