Author(s): Shaimaa Adnan, Shaimaa Mohsen, Hayder Obaid Jamel

Email(s): shaimaa.adnan@qu.edu.i , shemaadnan@yahoo.com , shymaa.essa@qu.qu.iq , shaimaamohsen79@yahoo.com

DOI: 10.5958/0974-360X.2018.00527.9   

Address: Shaimaa Adnan1, Shaimaa Mohsen2, Hayder Obaid Jamel3
1,2Department of Chemistry, College of Education, University of Al-Qadisiyah, Diwaniyah, Iraq
3Department of Pharmaceutical Chemistry, College of Pharmacy/University of Al- Qadisiyah, Diwaniyah, Iraq
*Corresponding Author

Published In:   Volume - 11,      Issue - 7,     Year - 2018


ABSTRACT:
This search includes synthesis of ligand by a two-step, the first react between 4-hydroxy benzaoic acid and thiosemicarbazide to form compound (1) [4-(5-amino-1, 3, 4-thiadiazol-2-yl) phenol], the second step is coupling of diazonium salt [5-(4-hydroxyphenyl)-1, 3, 4-thiadiazole-2-diazonium] with 2-hydroxy-5-sulfobenzoic acid in basic ethanolic media to get compound (2) [(E)-2-hydroxy-3-((5-(4-hydroxyphenyl)-1, 3, 4-thiadiazol-2-yl) diazenyl)-5-sulfobenzoic acid] which characterized by FT-IR ,1H NMR and 13C-NMR , after that used for the spectrophotometric determination of cadmium Cd (II) and lead Pb (II). This method was simple, rapid, sensitive, and selective for reaction between cadmium and lead with the reagent. The maximum absorbance observed at 450 nm and 495 nm for Cd(II) and Pb(II) respectively. The molar absorptivity and sandell’s sensitivity for cadmium (II) and lead (II) complexes are 4.5077×10-4, 2.9709× 104 L.mol-1. cm-1 and 0.0212, 0.0353µg/cm2 respectively. The stability constant of 1:2 [M:L] complexes of Cd(II) and Pb(II) are 3.13 × 105 and 1.45 × 105 L.mol-1 respectively. The linear range of 0.1-9 µg mL-1, 0.2-12 µg mL-1 along with limit of detection 0.059 µg mL-1, 0.102 µg mL-1, relative standard deviation for seven replication measurements (5 µg Cd mL-1 and 5 µg Pb mL-1) of (0.059%) and (0.102%) ,and the recovery range of (98.6) and ( 99.2 ) were obtained for Cd(II) and Pb(II) ions respectively.


Cite this article:
Shaimaa Adnan, Shaimaa Mohsen, Hayder Obaid Jamel. Synthesis and Identification of novel azo-1,3,4-Thiadiazole Derivative and using to Spectrophotometric Determination for some of Transition metal Complexes. Research J. Pharm. and Tech 2018; 11(7): 2859-2865. doi: 10.5958/0974-360X.2018.00527.9

Cite(Electronic):
Shaimaa Adnan, Shaimaa Mohsen, Hayder Obaid Jamel. Synthesis and Identification of novel azo-1,3,4-Thiadiazole Derivative and using to Spectrophotometric Determination for some of Transition metal Complexes. Research J. Pharm. and Tech 2018; 11(7): 2859-2865. doi: 10.5958/0974-360X.2018.00527.9   Available on: https://rjptonline.org/AbstractView.aspx?PID=2018-11-7-26


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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