STERIC HINDRANCE EFFECTS IN USE OF HETEROCYCLIC AZODYESTUFFS AS SPECTROPHOTOMETRIC REAGENTS

[11] KORKISCH J, 1961, MIKROCHIM ACTA, P599

[12] 4-(2-PYRIDYLAZO)-RESORCINOL AS A POSSIBLE ANALYTICAL REAGENT FOR THE COLORIMETRIC ESTIMATION OF COBALT, LEAD, AND URANIUM [J]. ANALYTICA CHIMICA ACTA, 1959, 20 (01) : 26 - 31

[13] *KOMPLEXONE .10. ERDALKALIKOMPLEXE VON O,O'-DIOXYAZOFARBSTOFFEN [J]. HELVETICA CHIMICA ACTA, 1948, 31 (03) : 678 - 687

[14] SHIBATA S, 1961, ANAL CHIM ACTA, V25, P348

[15] SNAVELY FA, 1952, THESIS PENNSYLVANIA

[16] SPEKTROPHOTOMETRISCHE BESTIMMUNG VON SCANDIUM MIT 4-2(-PYRIDYLAZO) RESORCIN [J]. ANALYTICA CHIMICA ACTA, 1962, 27 (03) : 241 - &

[17] TSCHITSCHIBABIN AE, 1923, CHEM ZENT, P1022

[18] TSCHITSCHIBABIN AE, 1916, CHEM ZENT, P229

[19] VOGEL AI, 1951, TXB QUANTITATIVE INO, P871

[20] West TS., 1965, TALANTA, V12, P583, DOI [10.1016/0039-9140(65)80071-6, DOI 10.1016/0039-9140(65)80071-6]

[11] KORKISCH J, 1961, MIKROCHIM ACTA, P599

[12] 4-(2-PYRIDYLAZO)-RESORCINOL AS A POSSIBLE ANALYTICAL REAGENT FOR THE COLORIMETRIC ESTIMATION OF COBALT, LEAD, AND URANIUM [J]. ANALYTICA CHIMICA ACTA, 1959, 20 (01) : 26 - 31

[13] *KOMPLEXONE .10. ERDALKALIKOMPLEXE VON O,O'-DIOXYAZOFARBSTOFFEN [J]. HELVETICA CHIMICA ACTA, 1948, 31 (03) : 678 - 687

[14] SHIBATA S, 1961, ANAL CHIM ACTA, V25, P348

[15] SNAVELY FA, 1952, THESIS PENNSYLVANIA

[16] SPEKTROPHOTOMETRISCHE BESTIMMUNG VON SCANDIUM MIT 4-2(-PYRIDYLAZO) RESORCIN [J]. ANALYTICA CHIMICA ACTA, 1962, 27 (03) : 241 - &

[17] TSCHITSCHIBABIN AE, 1923, CHEM ZENT, P1022

[18] TSCHITSCHIBABIN AE, 1916, CHEM ZENT, P229

[19] VOGEL AI, 1951, TXB QUANTITATIVE INO, P871

[20] West TS., 1965, TALANTA, V12, P583, DOI [10.1016/0039-9140(65)80071-6, DOI 10.1016/0039-9140(65)80071-6]