Research Article

SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES

Volume: 36 January 1, 1990
N.t. Abdel Ghani
EN

SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES

Abstract

The acid dissociation constants of some 1 - (o - carboxyphenyl 3 ■ acetyl - 5 - aryl) for- mazans are determined in 40 % (v/ v) ethanolic buffer Solutions spectrophotometrically. The spectral changes with variation of pH were discussed in relation to the different ionic species existing in solution. The pKa values were discussed in terms of molecular structure and subs- tituent effect.

Keywords

SPECTROPHOTOMETRIC DETERMINATION, CIATION CONSTANTS, DIPHENYLFORMAZAN DERI

References

  1. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
APA
Abdel Ghani, N. (1990). SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, 36, 8-14. https://doi.org/10.1501/Commub_0000000475
AMA
1.Abdel Ghani N. SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES. Commun. Fac. Sci. Univ. Ank. Ser. B. 1990;36:8-14. doi:10.1501/Commub_0000000475
Chicago
Abdel Ghani, N.t. 1990. “SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 36 (January): 8-14. https://doi.org/10.1501/Commub_0000000475.
EndNote
Abdel Ghani N (January 1, 1990) SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 36 8–14.
IEEE
[1]N. Abdel Ghani, “SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES”, Commun. Fac. Sci. Univ. Ank. Ser. B, vol. 36, pp. 8–14, Jan. 1990, doi: 10.1501/Commub_0000000475.
ISNAD
Abdel Ghani, N.t. “SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 36 (January 1, 1990): 8-14. https://doi.org/10.1501/Commub_0000000475.
JAMA
1.Abdel Ghani N. SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES. Commun. Fac. Sci. Univ. Ank. Ser. B. 1990;36:8–14.
MLA
Abdel Ghani, N.t. “SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, vol. 36, Jan. 1990, pp. 8-14, doi:10.1501/Commub_0000000475.
Vancouver
1.N.t. Abdel Ghani. SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSO- CIATION CONSTANTS OF SOME 1,5 - DIPHENYLFORMAZAN DERI- VATIVES. Commun. Fac. Sci. Univ. Ank. Ser. B. 1990 Jan. 1;36:8-14. doi:10.1501/Commub_0000000475