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Synthesis and spectroscopic study of gold Au(III) complexes from mixed ligands.

November 2019

November 2019

Authors:

Sattar R.Majeed

University of Anbar

a. FT-IR spectrum of ligand 2-(4-antipyrineazo)-4-nitroaniline

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d. FT-IR spectrum of [Au(C 17 H 15 O 3 N 6 )(ma)]

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Job's plot of complex Au(III)-azo ligand at PH 5 Linear range 1.0 mL of 1.0  10 -3 M 2-(4-antipyrineazo)-4-nitroaniline was pipetted into each of ten 10-mL volumetric flask containing 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 mL of Au (III) (1.0 10 3 M ). The solutions were made up to 10 mL by phosphate buffer solution of pH (5). After 60 minutes, the absorbance of the solutions were measured at 610 nm and plotted against Au (III) concentration in μgmL -1 (Figures 9 and 10).

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Molar ratio of complex Au(III)-azo ligand at PH 5

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Accuracy and precision (intra-and inter-day) of spectrophotometric determination of Gold with -2-(4-antipyrineazo)-4-nitroaniline

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Figures - uploaded by Sattar R.Majeed

Content may be subject to copyright.

Content uploaded by Sattar R.Majeed

Content may be subject to copyright.

 

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       

        







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



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Volume 23 (2):143-160, 2019.

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



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



Tawfeeq MN, Majeed SR, Awad MA., Synthesis and spectroscopic study of gold Au

(III) complexes from mixed ligands, Onl J Vet Res., 23 (2):143-160, 2019. 

    In vitro     

             



          

       



 





         

           



 





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     

 

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



In vitro 

            

        

 

         

         







Materials and Instrumentation:

      

     (7)   









       



           





Synthesis of [Au(C17H15O3N6)Cl2] complex.



         



                

           





Synthesis of [Au(C17H15O3N6) (ox)]complex.

     

           



            





Synthesis of [Au(C17H15O3N6) (ma)]complex.

 

         









Synthesis of [Au(C17H15O3N6) (pyph)]complex.

    

 

               



             



Standard solutions

          



        



















Elemental microanalysis and some physical properties

    













  H2O    

     

     

     

     







  































































    

















    

    

Empirical formula

Microanalysis (Calc.) % A.A





    

   





    









































   



    

















 

Molar conductance complexes.

       

 





FT-IR spectral data of Au (III) Complexes.





         .    

            





        



        

          



          



          



  .           



 (13,14). 





    

Ʋ



Ʋ

    

Ʋ





           

           

           

          

 





 





 



UV-Vis Spectral data of Au (III) complexes.

       







        

  

          

 



 (15)        

   



).















 

∗

π→π

∗

π→π

∗π→ 

∗

π→ 

















 

∗

π→π



∗

π→π 

∗

→



















 

 



















∗

π→π 

∗

π→π 

∗π→ 

























 

∗

π→π 

∗

π→π 

∗π→ 

























 

∗

π→π 

∗

π→π 

∗π→ 

























 

Magnetic moment measurements.







eff (B.M)

XA.10

Complex











Mass spectrum of [Au(C17H15O3N6)Cl2]

Figure 3a

  



 







 







Mass spectrum of [Au(C17H15O3N6)(ma)]









 









 



Structure of Au(III) Complexes

           































 





















Selection of the analytical wavelength





Effect of PH

              











 







Effect of time on the stability of Au (III)Complex

  







       











































      

AbS

Tim/min





Stoichiometry of Au(III)- 2-(4-antipyrineazo)-4-nitroaniline complex.

       



. 

 





      

            

          









Linear range













 



Sensitivity







 

Accuracy and Precision

          

            

      

           

 





        



Complex sample Intra-day Inter-day







 

 

    

 

   





















































           

           

           

           

           

 

Analytical features.





              



          

         

         

















































 





 







 













 











 







 

 













 

 





 

















 

 

 

 















 

 





Acta. Chimica. Slovaca





Nano

Biomed. Eng.

et al

Acta

Cryst







Inorg. Chem et al 

(13)Spectra of Inorganic and Coordination

Compounds



Asian J. of biochem. And Pharm. Res









Ann.chim



Ind. End, Chem.Anal







.Int. J.

Biomde.Sc  et al

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Synthesis and spectroscopic study of gold Au(III) complexes from mixed ligands.

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