COMPARISON OF THE IONIC STRENGTH EFFECT ON THE COMPLEXATION OF DIOXOVANDIUM (V) WITH PHENYLALANINE AND MOLYBDENUM (VI) WITH GLUTAMIC ACID

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ZARE KARIM; MAJLESI K.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2002 | Volume:12 | Issue:45 Page(s): 3591-3598

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Title

COMPARISON OF THE IONIC STRENGTH EFFECT ON THE COMPLEXATION OF DIOXOVANDIUM (V) WITH PHENYLALANINE AND MOLYBDENUM (VI) WITH GLUTAMIC ACID

Author(s)

ZARE KARIM | MAJLESI K. | Issue Writer Certificate

Keywords

PROTONATION CONSTANTQ4

IONIC STRENGTHQ4

GLUTAMIC ACIDQ3

PHENYLALARINEQ4

STABILITY CONSTANTQ4

DIOXOVANDIUM MOLYBDENUMQ4

Abstract

The PROTONATION CONSTANTs of phenylalanine and the STABILITY CONSTANTs of the complexes between dioxovanadium (V) ion and phenylalanine have been determined spectrophotometrically at 25oC and IONIC STRENGTH ranging from 0.1 to 1.5 modm-3 sodium perchlorate in the pH range 1.5 - 10.5, with high ligand to metal ratios.The complexation of molybdenum (VI) with GLUTAMIC ACID was investigated in aqueous solution ranging in pH from 4 to 9, using polarimetric and spectrophotometric techniques. The composition of the complex was detemined by the continuous variations method. It was shown that molybdenum (VI) forms a mononuclear 1:1 complex with GLUTAMIC ACID of the type MoO3L-2 at pH 5.8. The PROTONATION CONSTANTs of GLUTAMIC ACID and the STABILITY CONSTANTs of the complex were determined at 25oC and at IONIC STRENGTHs ranging from (0.1 to 1.0) moldm-3 sodium perchlorate.In both complex formation reactions the dependence of the protonation and STABILITY CONSTANTs on IONIC STRENGTH is described by a Debye-Huckel type equation.Finally, a comparison has been made between the patterns of IONIC STRENGTH dependence for the two complexes.

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APA: Copy

ZARE, KARIM, & MAJLESI, K.. (2002). COMPARISON OF THE IONIC STRENGTH EFFECT ON THE COMPLEXATION OF DIOXOVANDIUM (V) WITH PHENYLALANINE AND MOLYBDENUM (VI) WITH GLUTAMIC ACID. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 12(45), 3591-3598. SID. https://sid.ir/paper/70582/en

Vancouver: Copy

ZARE KARIM, MAJLESI K.. COMPARISON OF THE IONIC STRENGTH EFFECT ON THE COMPLEXATION OF DIOXOVANDIUM (V) WITH PHENYLALANINE AND MOLYBDENUM (VI) WITH GLUTAMIC ACID. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2002;12(45):3591-3598. Available from: https://sid.ir/paper/70582/en

IEEE: Copy

KARIM ZARE, and K. MAJLESI, “COMPARISON OF THE IONIC STRENGTH EFFECT ON THE COMPLEXATION OF DIOXOVANDIUM (V) WITH PHENYLALANINE AND MOLYBDENUM (VI) WITH GLUTAMIC ACID,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 12, no. 45, pp. 3591–3598, 2002, [Online]. Available: https://sid.ir/paper/70582/en

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