CARACTERISTIQUES POLAROGRAPHIQUES DE NB(V) DANS LES EXTRAITS ALCOOLIQUESBUMBER AA; IGNATENKO EG; BAGDASAROV KN et al.1976; IZVEST. VYSSH. UCHEBN. ZAVED., KHIM. KHIM. TEKHNOL.; S.S.S.R.; DA. 1976; VOL. 19; NO 11; PP. 1780-1781; BIBL. 3 REF.Article

INFLUENCE DE LA TEMPERATURE SUR LA REDUCTION CATHODIQUE DE NB(V) DANS DES SOLUTIONS DE H₃PO₄KURBATOV DI; OBOZHINA RN.1976; ELEKTROKHIMIYA; DA. 1976; VOL. 12; NO 1; PP. 99-102; BIBL. 11 REF.Article

VAGUE CATALYTIQUE DE L'ION CHLORATE EN PRESENCE DE NB(V)STEPANOVA IK; SINYAKOVA SI.1972; ZH. ANAL. KHIM.; S.S.S.R.; DA. 1972; VOL. 27; NO 11; PP. 2219-2221; ABS. ANGL.; BIBL. 11 REF.Serial Issue

REDUCTION POLAROGRAPHIQUE DE NB(V) DANS DES SOL. D'HCLSINYAKOVA SI; STEPANOVA IK.1973; ZH. ANAL. KHIM.; S.S.S.R.; DA. 1973; VOL. 28; NO 2; PP. 306-311; ABS. ANGL.; BIBL. 20 REF.Serial Issue

THE EXTRACTION OF NIOBIUM(V) AND TANTALUM(V) BY OCTYLARSINIC ACID IN CHLOROFORMIRGOLIC KJ; DOMINGUEZ RJG.1976; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1976; VOL. 84; NO 1; PP. 119-126; BIBL. 11 REF.Article

Complexation du niobium (V) par le PAR(4-(pyridyl-2-azo)-résorcinol). Application au dosage cinétique du niobium = Niobium (V) complexation with PAR (4-(pyridyl-2-azo)-resorcinol); kinetic determination of niobiumALBRECHT-GARY, A. M; NEMRA, G; NGUYEN, T et al.Analusis (Imprimé). 1985, Vol 13, Num 9, pp 394-400, issn 0365-4877Article

ETUDE DES CONDITIONS DE COMPLEXATION ET D'EXTRACTION DE NB(V) AVEC LE TIRON ET L'ANILINEALI ZADE TD; GAMID ZADE GA; AKHMEDOVA GA et al.1972; AZERBAJDZH. KHIM. ZH.; S.S.S.R.; DA. 1972; NO 3; PP. 156-159; ABS. AZERB.; BIBL. 3 REF.Serial Issue

A LIGHT SCATTERING STUDY OF THE HYDROLYTIC BEHAVIOR OF ZIRCONIUM(IV) AND NIOBIUM(V) IN A HYDROCHLORIC ACID SOLUTION.SHIOKAWA Y; SATO A; SUZUKI S et al.1976; BULL. CHEM. SOC. JAP.; JAP.; DA. 1976; VOL. 49; NO 9; PP. 2456-2460; BIBL. 18 REF.Article

EXTRACTION OF TRACE AMOUNTS OF NIOBIUM(V) BY AMINE OXIDES AND ITS SEPARATION FROM TANTALUM(V) AND ZIRCONIUM(IV)EJAZ M.1976; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1976; VOL. 81; NO 1; PP. 149-155; BIBL. 20 REF.Article

UTILISATION DE LA N-ACETYL SALICYLOYL-N-PHENYLHYDROXYLAMINE POUR LE DOSAGE AMPEROMETRIQUE DE NB(V)GALLAJ ZA; POLIKARPOVA NV; SHEINA NM et al.1972; ZAVODSK. LAB.; S.S.S.R.; DA. 1972; VOL. 38; NO 9; PP. 1063-1066; BIBL. 13 REF.Serial Issue

ZUR EXTRAKTION DES NB(V) MIT POLYPHENOLEN. = SUR L'EXTRACTION DE NB(V) PAR LES POLYPHENOLSBUSEV AI; KARJAKINA SP; NENNING P et al.1976; ACTA CHIM. ACAD. SCI. HUNGAR.; HONGR.; DA. 1976; VOL. 90; NO 4; PP. 365-369; ABS. RUSSE; BIBL. 12 REF.Article

Extraction and spectrophotometric determination of niobium by tetraphenylarsonium and phosphonium chloride from a hydrochloric acid solutionTAMHINA, B; IVŠIĆ, A. G.Microchemical journal. 1984, Vol 30, Num 2, pp 178-185, issn 0026-265XArticle

Extraction-photometric determination of microgram amounts of niobium(V)AGRAWAL, Y. K; JOHN, K. T.Analyst (London. 1877. Print). 1984, Vol 109, Num 11, pp 1509-1510, issn 0003-2654Article

SPECTROPHOTOMETRIC STUDY AND ANALYTICAL APPLICATIONS OF THE TERNARY COMPLEX NB-SNAZOX-H₂O₂CAMARA RICA C; GALLEGO ANDREU R; SANZ MEDEL A et al.1983; MICROCHEMICAL JOURNAL; ISSN 0026-265X; USA; DA. 1983; VOL. 28; NO 2; PP. 203-214; BIBL. 9 REF.Article

Coordination state of Nb⁵⁺ ions in silicate and gallate glasses as studies by Raman spectroscopyFUKUMI, K; SAKKA, S.Journal of materials science. 1988, Vol 23, Num 8, pp 2819-2823, issn 0022-2461Article

Amidine for extraction and spectrophotometric determination of niobium(V) in the presence of thiocyanatePATEL, K. S; LIESER, K. H.Analytical chemistry (Washington, DC). 1986, Vol 58, Num 1, pp 192-194, issn 0003-2700Article

A SENSITIVE SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM(V) WITH THE REAGENT 5-CHLORO-8-HYDROXY-7-IODOQUINOLINESHARMA Y.1982; MIKROCHIM. ACTA; ISSN 0026-3672; USA; DA. 1982; VOL. 2; NO 3-4; PP. 297-303; ABS. GER; BIBL. 10 REF.Article

ANION EXCHANGE SEPARATION OF HARD ACID-METALS USING HF-H₃BO₃ MEDIAADACHI T.1982; BULL. CHEM. SOC.; ISSN 0009-2673; JPN; DA. 1982; VOL. 55; NO 6; PP. 1824-1830; BIBL. 25 REF.Article

Sacrificial water photocleavange using Nb-doped TiO₂ fine particles under band gap irradiationKUTTY, T. R. N; AVUDAITHAI, M.International journal of hydrogen energy. 1990, Vol 15, Num 9, pp 621-628, issn 0360-3199, 8 p.Article

Equilibre de l'échange des ions de niobium sur les anionites dans les solutions HCl-HFRYCHKOV, V. N; PAKHOLKOV, V. S; KUZNETSOVA, C. D et al.Žurnal prikladnoj himii. 1985, Vol 58, Num 3, pp 509-512, issn 0044-4618Article

CHARACTERIZATION OF ISOTHIOCYANATONIOBATES(V) ISOLATED FROM SOLUTIONS FOR THE SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUMTAMHINA B; DJORDJEVIC C.1975; CROAT. CHEM. ACTA; YOUGOSL.; DA. 1975; VOL. 47; NO 2; PP. 79-85; ABS. SLOVENE; BIBL. 32 REF.Article

EXTRAKTION VON NIOB MIT HILFE EINIGER 1-PHENYL-3-METHYL-4-ACYL-5-PYRAZOLONE = EXTRACTION DU NB A L'AIDE DE QUELQUES PHENYL-1 METHYL-3 ACYL-4 PYRAZOLONES-5NAVRATIL O.1973; COLLECT. CZECHOSL. CHEM. COMMUNIC.; CZECHOSL.; DA. 1973; VOL. 38; NO 5; PP. 1333-1338; BIBL. 19 REF.Serial Issue

ETUDE DES COMPOSES DU NIOBIUM V EN MILIEU NITRIQUEGUE JP; KIKINDAI T.1976; C.R ACAD. SCI., C; FR.; DA. 1976; VOL. 282; NO 11; PP. 515-517; ABS. ANGL.; BIBL. 4 REF.Article

REDOX POTENTIAL OF NB(V)-NB(III) SYSTEMGUPTA RN; SEN BK.1975; J. INORG. NUCL. CHEM.; G.B.; DA. 1975; VOL. 37; NO 4; PP. 1044-1045; BIBL. 3 REF.Article

ACIDIC ORGANOPHOSPHORUS EXTRACTANTS. XVI. EFFECT OF TRI-N-BUTYL PHOSPHATE ON THE EXTRACTION OF SOME METALS BY DI-(2-ETHYLHEXYL) PHOSPHORIC ACID IN N-HEXANEKOLARIK Z.1972; J. INORG. NUCL. CHEM.; G.B.; DA. 1972; VOL. 24; NO 9; PP. 2911-2920; BIBL. 19 REF.Serial Issue