au.\*:("ROMAN CEBA M")
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EMPLEO DEL COMPLEJO METALICO FORMADO POR LA DITIOSEMICARBAZONA DE LA 1,3-CICLOHEXANODIONA Y EL ION CD(II) COMOINDICADOR ACIDO-BASE = UTILISATION DU COMPLEXE METALLIQUE FORME PAR LA DITHIOSEMICARBAZONE DE LA CYCLOHEXANEDIONE-1,3 ET L'ION CD(II), COMME INDICATEUR ACIDOBASIQUEROMAN CEBA M; BERZAS NEVADO JJ.1979; AFINIDAD; ESP; DA. 1979; PP. 231-234; ABS. ENG/PORT; BIBL. 7 REF.Article
A NEW GRAPHIC METHOD FOR DIFFERENTIATING MONONUCLEAR AND POLYNUCLEAR COMPLEXES AND FOR DETERMINING THEIR STABILITY CONSTANTSGONZALEZ GARCIA DV; ARREBOLA RAMIRER A; ROMAN CEBA M et al.1979; TALANTA; GBR; DA. 1979; VOL. 26; NO 3; PP. 215-218; BIBL. 7 REF.Article
SPECTROPHOTOMETRIC DETERMINATION OF SULPHIDE IN WATER BY RE-EXTRACTION AND LIGAND EXCHANGE USING CHLOROFORM SOLUTIONS OF COPPER QUINOLIN-8-OLATEROMAN CEBA M; VINAGRE JARA F; MUNOZ LEYVA JA et al.1982; ANALYST (LOND.); ISSN 0003-2654; GBR; DA. 1982; VOL. 107; NO 1276; PP. 781-786; BIBL. 8 REF.Article
INFLUENCE OF THE DIELECTRIC CONSTANT OF HYDROALCOHOLIC MEDIUMS IN THE PHYSICO-CHEMICAL CONSTANTS OF 1,2,7-TRIHYDROXYANTHRAQUINONE AND OF THE 1,2,7-TRIHYDROXYANTHRAQUINONE-CU(II) COMPLEXGONZALEZ GARCIA DV; ARREBOLA RAMIREZ A; ROMAN CEBA M et al.1980; J. INORG. NUCL. CHEM.; ISSN 0022-1902; GBR; DA. 1980; VOL. 42; NO 10; PP. 1453-1458; BIBL. 7 REF.Article
APLICACIONES ANALITICAS DEL MONOCLORHIDRATO DE LA 1,3-CICLOHEXANODIONA DITIOSEMICARBAZONA COME REACTIVO DE OXIDANTES. II. DETERMINACION ESPECTROFOTOMETRICA DE BRO3-. = APPLICATIONS ANALYTIQUES DU MONOCHLORHYDRATE DE LA DITHIOSEMICARBAZONE DE LA CYCLOHEXANEDIONE-1,3 COMME REACTIF DES OXYDANTS. II. DOSAGE SPECTROPHOTOMETRIQUE DE BRO3-ROMAN CEBA M; MUNOZ LEYVA JA; BERZAS NEVADO JJ et al.1978; AN. QUIM.; ESP.; DA. 1978; VOL. 74; NO 4; PP. 620-624; ABS. ANGL.; BIBL. 8 REF.Article
SPECTROPHOTOMETRIC DETERMINATION OF NICKEL BY EXTRACTION OF THE COMPLEX NICKEL-PURPURINROMAN GALAN T; ARREBOL A RAMIREZ A; ROMAN CEBA M et al.1982; MICROCHEM. J.; ISSN 0026-265X; USA; DA. 1982; VOL. 27; NO 2; PP. 210-216; BIBL. 6 REF.Article
SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF IRON (III) BY EXTRACTION OF THE MIXED-LIGAND IRON-FLUORIDE PURPURIN COMPLEXROMAN CEBA M; ARREBOLA RAMIREZ A; BERZAS NEVADO JJ et al.1982; TALANTA (OXF.); ISSN 0039-9140; GBR; DA. 1982; VOL. 29; NO 2; PP. 142-144; BIBL. 10 REF.Article
A NEW SPECTROPHOTOMETRIC METHOD FOR DIFFERENTIATING MONONUCLEAR AND POLYNUCLEAR AND POLYNUCLEAR COMPLEXES AND FOR DETERMINING THEIR EXTRACTION CONSTANTSGALAN TR; ARREBOLA RAMIREZ A; ROMAN CEBA M et al.1980; TALANTA (OXF.); ISSN 0039-9140; GBR; DA. 1980; VOL. 27; NO 6; PP. 545-547; BIBL. 1 REF.Article
CYCLOHEXANE-1,3-DIONE HISTHIOSEMICARBAZONE MONOHYDROCHLORIDE AS A SPECTROPHOTOMETRIC REAGENT FOR THE RAPID DETERMINATION OF CHLORATE IN PERCHLORIC ACID MEDIUM.ROMAN CEBA M; MUNOZ LEYVA JA; BERZAS NEVADO JJ et al.1978; ANALYST; GBR; DA. 1978; VOL. 103; NO 1230; PP. 963-967; BIBL. 7 REF.Article
APLICACIONES ANALITICAS DE LA DITIOSEMICARBAZONA DE LA ACETILACETONA. I. SINTESIS, ESTUDIO DEL REACTIVO Y REACCIONABILIDAD CON LOS IONES METALICOS. = APPLICATIONS ANALYTIQUES DE LA DITHIOSEMICARBAZONE DE L'ACETYLACETONE. I. SYNTHESE ET ETUDE DU REACTIF AINSI QUE DE SA REACTIVITE AVEC LES IONS METALLIQUESJIMENEZ SANCHEZ JC; MUNOZ LEYVA JA; ROMAN CEBA M et al.1976; AFINIDAD; ESP.; DA. 1976; VOL. 33; NO 339-340; PP. 567-571; ABS. ANGL.; BIBL. 14 REF.Article
1,8-DIHYDROXYANTHRAQUINONE-MG(II) COMPLEX. II: SPECTROPHOTOMETRIC STUDY. DETERMINATION OF MG(II)ROMAN CEBA M; FERNANDEZ GUTIERREZ A; MAHEDERO MC et al.1982; MICROCHEM. J.; ISSN 0026-265X; USA; DA. 1982; VOL. 27; NO 3; PP. 339-344; BIBL. 12 REF.Article
A NEW GRAPHICAL METHOD FOR DETERMINING STABILITY CONSTANTS OF WEAK AND POLYNUCLEAR COMPLEXESBERZAS NEVADO JJ; ARREBOLA RAMIREZ A; ROMAN CEBA M et al.1981; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1981; VOL. 124; NO 1; PP. 201-209; BIBL. 4 REF.Article
REACCIONABILIDAD COLOREADA Y FLUORESCENTE DE ALGUNOS DERIVADOS ANTRAQUINONICOS FRENTE A LOS IONES CA(II), SR(II) Y BA(II) = REACTION COLOREE ET FLUORESCENTE DE QUELQUES DERIVES DE L'ANTRAQUINONE VIS-A-VIS DES IONS CA(II), SR(II) ET BA(II)ROMAN CEBA M; FERNANDEZ GUTIERREZ A; CARDENAS F et al.1980; AN. QUIM., B; ESP; DA. 1980; VOL. 76; NO 3; PP. 442-446; ABS. ENG; BIBL. 18 REF.Article
FLUOROMETRIC DETERMINATION OF TRACES OF MG(II) USING 1,5-DIHYDROXY-ANTHRAQUINONE AS REAGENTROMAN CEBA M; FERNANDEZ GUTIERREZ A; MARIN SANCHEZ C et al.1982; ANALYTICAL LETTERS; ISSN 0003-2719; USA; DA. 1982; VOL. 15; NO 20; PP. 1621-1628; BIBL. 11 REF.Article
1,4-CYCLOHEXANEDIONE BISTHIOSEMICARBAZONE AS AN ANALYTICAL REAGENT FOR SPECTROPHOTOMETRIC ESTIMATION OF COPPERROMAN CEBA M; BERZAS NEVADO JJ; MARTINEZ GARCIA J et al.1982; MICROCHEM. J.; ISSN 0026-265X; USA; DA. 1982; VOL. 27; NO 3; PP. 380-388; BIBL. 14 REF.Article
NEW SPECTROPHOTOMETRIC METHOD FOR DETERMINING THE STOICHIOMETRY AND EQUILIBRIUM CONSTANTS OF SOME REDOX REACTIONSROMAN CEBA M; MUNOZ LEYVA JA; BERZAS NEVADO JJ et al.1981; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1981; VOL. 130; NO 1; PP. 183-192; BIBL. 6 REF.Article
ANALYTICAL PROPERTIES OF PYRIDINE-2-ALDEHYDE GUANYLHYDRAZONEROMAN CEBA M; BERZAS NEVADO JJ; ESPINOZA MANSILLA A et al.1981; TALANTA (OXF.); ISSN 0039-9140; GBR; DA. 1981; VOL. 28; NO 2; PP. 134-136; BIBL. 6 REF.Article
ESTUDIO ESPECTROFOTOMETRICO Y ELECTROFORETICO DEL COMPLEJO ALIZARINCOMPLEXONE-SR(II): DETERMINACION ESPECTROFOTOMETRICA DE SR(II) = ETUDE SPECTROPHOTOMETRIQUE ET ELECTROPHORETIQUE DU COMPLEXE ALIZARINECOMPLEXONE-SR(II). DOSAGE SPECTROPHOTOMETRIQUE DE SR(II)ROMAN CEBA M; FERNANDEZ GUTIERREZ A; CARDENAS F et al.1980; AN. QUIM., B; ESP; DA. 1980; VOL. 76; NO 3; PP. 447-451; ABS. ENG; BIBL. 26 REF.Article
APLICACIONES ANALITICAS DEL MONOCLORHIDRATO DE LA 1,3-CICLOHEXANODIONA DITIOSEMICARBAZONA COMO REACTIVO DE OXIDANTES. I: DETERMINACION ESPECTROFOTOMETRICA DE IO3- = APPLICATIONS ANALYTIQUES DU MONOCHLORHYDRATE DE LA DITHIOSEMICARBAZONE DE LA CYCLOHEXANEDIONE-1,3 COMME REACTIF DES OXYDANTS. I. DOSAGE SPECTROPHOTOMETRIQUE DE IO3-ROMAN CEBA M; MUNOZ LEYVA JA; BERZAS NEVADO JJ et al.1978; AN. QUIM.; ESP; DA. 1978; VOL. 74; NO 7-8; PP. 1075-1079; ABS. ENG; BIBL. 10 REF.Article
1,8-DIHYDROXYANTHRAQUINONE-LI(I) REACTION. SPECTROFLUOROMETRIC DETERMINATION OF LI(I) IN AN ETHANOLIC AND ACETONIC MEDIAROMAN CEBA M; FERNANDEZ GUTIERREZ A; MAHEDERO MC et al.1981; ANAL. LETT.; ISSN 0003-2719; USA; DA. 1981; VOL. 14; NO 19; PP. 1579-1589; BIBL. 12 REF.Article
DETERMINACION ESPECTROFOTOMETRICA DE CD(II) CON EL MONOCLORHIDRATO DE LA 1,3-CICLOHEXANODIONA DITIOSEMICARBAZONA = DOSAGE SPECTROPHOTOMETRIQUE DU CADMIUM(II) AVEC LE MONOCHLORHYDRATE DE DITHIOSEMICARBAZONE DE LA CYCLOHEXANEDIONE-1,3ROMAN CEBA M; MUNOZ LEYVA JA; BERZAS NEVADO JJ et al.1980; AN. QUIM., B; ESP; DA. 1980; VOL. 76; NO 3; PP. 466-470; ABS. ENG; BIBL. 10 REF.Article
L'accroissement d'un signal de luminescence moléculaire implique-t-il une amélioration de sensibilité de la méthode analytique ? = Does the increase of the signal of molecular luminescence imply an improvement of the sensitivity of the analytical method?CUADROS RODRIGUEZ, L; JIMENEZ LINARES, C; ROMAN CEBA, M et al.Analusis (Imprimé). 1994, Vol 22, Num 9, pp 462-464, issn 0365-4877Article
Solvent effects on electronic absorption and fluorescence spectra of salicylaldehyde 2-pyridylhydrazone and indolaldehyde 2-salicylhydrazone: ground and excited state dissociation constantsROMAN CEBA, M; CRUCES BLANCO, C; GARCIA SANCHEZ, F et al.Journal of photochemistry. 1985, Vol 30, Num 3, pp 353-362, issn 0047-2670Article
Spectrophotometric determination of lithium with Quinizarin in drugs and serumGAMIZ GRACIA, L; CUADROS RODRIGUEZ, L; ROMAN CEBA, M et al.Talanta (Oxford). 1997, Vol 44, Num 1, pp 75-83, issn 0039-9140Article
Cyclopentane-1,3-dione bis(4-methylthiosemicarbazone) monohydrochloride as a spectrophotometric reagent for the determination of chlorate in perchloric acid mediumROMAN CEBA, M; JIMENEZ SANCHEZ, J. C; GALEANO DIAZ, T et al.Microchemical journal. 1985, Vol 32, Num 1, pp 64-68, issn 0026-265XArticle
