D. Nonova

Extraction—spectrophotometric determination of copper(II) with 4-(2-pyridylazo)resorcinol and a long-chain quaternary ammonium salt

D. Nonova, Kalin Stoyanov · Analytica Chimica Acta · 1982 · 27 citations

Inorganic Chemistry, Chemical Engineering, Chemical Measurement +7

Complex formation of nickel(II) and cobalt(II) with 4-(2-pyridylazo)-resorcinol

D. Nonova, B. Evtimova · Analytica Chimica Acta · 1972 · 24 citations

Inorganic Chemistry, Coordination Complex, Complex Formation +3

Spectrophotometric study and analytical application of the reaction between manganese(II) and 4-(2-pyridylazo)resorcinol

D. Nonova, B. Evtimova · Talanta · 1973 · 23 citations

Inorganic Chemistry, Biochemistry, Analytical Application +3

Complexing of iron(II) and iron(III) by 4-(2-pyridylazo) resorcinol

D. Nonova, B. Evtimova · Journal of Inorganic and Nuclear Chemistry · 1973 · 21 citations

Inorganic Chemistry, Biochemistry, Natural Sciences +4

Spectrophotometric determination of indium and gallium with chrome azurol s and cetyltrimethylammonium bromide

B. Evtimova, D. Nonova · Analytica Chimica Acta · 1973 · 20 citations

Spectrophotometric Determination, Chrome Azurol S, Chemical Measurement +13