au.\*:("HAVEZOV I")
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ATOMIC-ABSORPTION SPECTROPHOTOMETRIC DETERMINATION OF BERYLLIUM IN BETA -AL2O3 CERAMICS.HAVEZOV I; TAMNEV B.1978; Z. (FRESENIUS') ANAL. CHEM.; DTSCH.; DA. 1978; VOL. 290; NO 4; PP. 299-301; ABS. ALLEM.; BIBL. 8 REF.Article
ELECTROTHERMAL ATOMIZATION USING THE L'VOV PLATFORM. DETERMINATION OF TRACES OF LEAD, CADMIUM, MANGANESE AND COPPER IN A NACL MATRIXHAVEZOV I; IVANOVA E.1983; FRESENIUS ZEITSCHRIFT FUER ANALYTISCHE CHEMIE; ISSN 0016-1152; DEU; DA. 1983; VOL. 315; NO 1; PP. 26-29; BIBL. 8 REF.Article
FLAMELESS ATOMIC ABSORPTION DETERMINATION OF BERYLLIUM IN AIR FILTERS.HAVEZOV I; TAMNEV B.1978; Z. (FRESENIUS') ANAL. CHEM.; DTSCH.; DA. 1978; VOL. 291; NO 2; PP. 127; BIBL. 4 REF.Article
SOME ASPECTS OF THE EXTRACTION-FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF COPPER, ZINC, NICKEL, COBALT, MANGANESE AND IRONHAVEZOV I; IVANOVA E; JORDANOV N et al.1979; IZVEST. KHIM.; BGR; DA. 1979; VOL. 12; NO 1; PP. 181-186; ABS. BUL; BIBL. 14 REF.Article
ATOMABSORPTIONS-SPEKTRALPHOTOMETRISCHE BESTIMMUNG VON NATRIUM UND MAGNESIUM IN BETA -ALUMINAT-MATERIALIEN = DOSAGE PAR SPECTROMETRIE D'ABSORPTION ATOMIQUE DE NA ET MG DANS LES MATERIAUX D'ALUMINATES BETATAMNEV BK; HAVEZOV I; IOTOVA LK et al.1974; Z. (FRESENIUS') ANAL. CHEM.; DTSCH.; DA. 1974; VOL. 271; NO 5; PP. 349-351; ABS. ANGL.; BIBL. 1 REF.Article
EINFLUSS DER FUELLUNG AUF DAS EXTRAKTIONSCHROMATOGRAPHISCHE VERHALTEN SELTENER ERDEN IM SYSTEM DI-(2-AETHYLHEXYL)-PHOSPHORSAEURE-CHROMOSORB-SALZSAEURE = L'INFLUENCE DU GARNISSAGE SUR LE COMPORTEMENT EN CHROMATOGRAPHIE D'EXTRACTION DES LANTHANIDES DANS LE SYSTEME DEHPA-CHROMOSORB-ACIDE CHLORHYDRIQUEVASILEV C; FAITONDJIEV L; HAVEZOV I et al.1974; MONATSH. CHEM.; OSTERR.; DA. 1974; VOL. 105; NO 6; PP. 1199-1205; ABS. ANGL.; BIBL. 12 REF.Article
Controlled-dispersion flow analysis devices with constant flow for flame atomic absorption spectrometryDETCHEVA, A; HAVEZOV, I.Analusis (Imprimé). 1994, Vol 22, Num 9, pp 453-457, issn 0365-4877Article
ZUM MECHANISMUS DER EXTRAKTION VON TELLUR(IV) AUS SALZSAUREM MEDIUM MIT GESAETTIGTEN ALIPHATISCHEN MONOKETONEN = SUR LE MECANISME D'EXTRACTION DE TE(IV) A PARTIR D'UN MILIEU CHLORHYDRIQUE AVEC DES MONOCETONES ALIPHATIQUES SATUREESHAVEZOV I; NURNBERG HW; STOEPPLER M et al.1972; Z. (FRESENIU'S) ANAL. CHEM.; DTSCH.; DA. 1972; VOL. 262; NO 3; PP. 179-183; ABS. ANGL.; BIBL. 24 REF.Serial Issue
Graphite-furnace atomization of phosphorusHAVEZOV, I; RUSSEVA, E.Analytica chimica acta. 1989, Vol 219, Num 1, pp 127-134, issn 0003-2670Article
Atomic absorption determination of traces of elements in ammonium perrhenate of high purityJORDANOV, N; HAVEZOV, I; BOZHKOV, O et al.Fresenius' Zeitschrift für analytische Chemie. 1989, Vol 335, Num 8, pp 910-913, issn 0016-1152Article
Extraction atomic absorption determination of traces of phosphorus in tungsten trioxideRUSSEVA, E; HAVEZOV, I; JORDANOV, N et al.Fresenius' Zeitschrift für analytische Chemie. 1985, Vol 321, Num 7, pp 677-678, issn 0016-1152Article
Anion-exchange enrichment of thallium and cadmium prior to their flame atomic absorption spectrometric determination in soilsIVANOVA, E; TSAKOVSKI, S; GENTSCHEVA, G et al.Talanta (Oxford). 1996, Vol 43, Num 8, pp 1367-1370, issn 0039-9140Article
Atomic absorption spectrometry (AAS) : a versatile and selective detector for trace element speciationHAVEZOV, I.Fresenius' journal of analytical chemistry. 1996, Vol 355, Num 5-6, pp 452-456, issn 0937-0633Conference Paper
Electrothermal AAS determination of bismuth, antimony and tin in high-purity WO3HAVEZOV, I; JORDANOV, N; ORTNER, H. M et al.Fresenius' journal of analytical chemistry. 1991, Vol 339, Num 12, pp 871-873, issn 0937-0633Article
Microtrace determination in high-purity selenium. III: Electrothermal AAS determination of As, Sb and Sn after matrix separation with hydrazineIVANOVA, E; VRACHEVA, N; HAVEZOV, I et al.Fresenius' Zeitschrift für analytische Chemie. 1988, Vol 330, Num 6, pp 516-517, issn 0016-1152Article
Microtrace determination in high-purity selenium. II: Trace separation and preconcentration by cation-exchangeIVANOVA, E; HAVEZOV, I; JORDANOV, N et al.Fresenius' Zeitschrift für analytische Chemie. 1987, Vol 327, Num 3-4, pp 359-360, issn 0016-1152Article
AAS determination of trace elements in high-purity gold after matrix separation by solvent extractionIVANOVA, E; JORDANOV, N; HAVEZOV, I et al.Fresenius' Zeitschrift für analytische Chemie. 1990, Vol 336, Num 6, pp 501-502, issn 0016-1152, 2 p.Article
Bestimmung von Mikrospuren Bi, Co, Fe, In, Mn, Ni, Pb, Cu, Sb und Zn in Phosphorsäure und Ammoniumphosphaten. I: Bestimmung mittels Flammenabsorption und optischer Emissionsspektroskopie nach extraktiver Anreicherung = Dosage de Bi, Co, Fe, In, Mn, Ni, Pb, Cu, Sb et Zn in microtraces dans l'acide phosphorique et le phosphate d'ammonium. I. Dosage par spectroscopie d'émission optique et absorption atomique de flamme après enrichissement par extraction = Determination of microtraces of Bi, Co, Fe, In, Mn, Ni, Pb, Cu, Sb and Zn in phosphoric acid and ammonium phosphore. I. Determination by flame atomic absorption spectrometry and optical emission spectrometry after preconcentration of by microtraces by extractionHAVEZOV, I; IVANOVA, E; JORDANOV, N et al.Fresenius' Zeitschrift für analytische Chemie. 1987, Vol 326, Num 6, pp 536-539, issn 0016-1152Article
Bestimmung von Mikrospuren Bi, Co, Cu, Fe, In, Mn, Ni, Pb, Sb and Zn in phosphorsäure und Ammoniumphosphaten. II: Bestimmung mit elektrothermischer Atomabsorptionsspektrometrie ohne Matrixabtrennung = Dosage de traces de Bi, Co, Cu, Fe, Mn, In, Ni, Pb, Sb, et Zn dans l'acide phosphorique et le phosphate d'ammonium. II. Spectrométrie d'absorption atomique à vaporisation électrothermique, sans séparation de matrice = Determination of microtraces of Bi, Co, Cu, Fe, Mn, In, Ni, Pb, Sb, and Zn in phosphoric acid and ammonium phosphate. II. Electrothermal atomic absorption spectrometry without matrix separationHAVEZOV, I; EMRICH, G; IVANOVA, E et al.Fresenius' Zeitschrift für analytische Chemie. 1987, Vol 328, Num 1-2, pp 71-73, issn 0016-1152Article
