{"id":5649,"date":"2021-01-24T07:33:18","date_gmt":"2021-01-24T07:33:18","guid":{"rendered":"https:\/\/www.gyanvihar.org\/journals\/?p=5649"},"modified":"2021-09-16T09:07:07","modified_gmt":"2021-09-16T09:07:07","slug":"analytical-and-kinetic-investigation-of-azo-dye-arsenazoiii-as-copperii-derivative-by-using-spectroscopic-methods","status":"publish","type":"post","link":"https:\/\/www.gyanvihar.org\/journals\/analytical-and-kinetic-investigation-of-azo-dye-arsenazoiii-as-copperii-derivative-by-using-spectroscopic-methods\/","title":{"rendered":"Analytical and Kinetic Investigation of Azo dye Arsenazo(III) as Copper(II) Derivative by Using Spectroscopic Methods"},"content":{"rendered":"

Research article<\/em><\/strong><\/p>\n

Vol. 7 Issue 1 Page No. 26-33<\/em><\/p>\n

Rupali Shrivastava1<\/sup>, Meenakshi Meena2 <\/sup>and Hariom Nagar2<\/sup>*<\/p>\n

1<\/sup>* Department of Chemistry, Vivekananda Global University, Jaipur, India<\/p>\n

\u00a0 2<\/sup> Department of Chemistry, Suresh Gyan Vihar University, Jaipur, India<\/p>\n

Abstract<\/strong><\/p>\n

In this research paper Cu(II) complex of Azo dye Arsenazo(III) was synthesised with dye molecule acting as ligand and copper ion acting as central metal. All analytical and kinetic studies of the complex were carried out at absorbance maximum 610 nm of the complex. Optimisation of complexation conditions was done and on the basis of study of change in temperature and pH, 40 0<\/sup>C and pH 3.0 were selected. Results obtained in Mole ratio method and Jobs method of continuous variance corresponded to stability constant (K) value as 5.48 and 5.44 respectively with 1:1 ratio of metal:ligand in the complex. Other kinetic parameters like molar absorptivity coeff. of complex\u00a0 e = 2.7 X 103<\/sup> l mol\u22121<\/sup> cm\u22121<\/sup> with Beer\u2019s law range 1.306 X102<\/sup>mg\/ml to 9.792 X 102<\/sup>mg\/ml, coefficient of variance 1.250 and relative standard deviation % is \u00b11.21%. were also calculated from the calibration curve data.<\/p>\n

Keywords:<\/strong><\/p>\n

Arsenazo<\/p>\n

Copper Spectrophotometric Stability constant<\/p>\n

*Corresponding author\u2019s e-mail addresses:\u00a0 hariom.nagar@mygyanvihar.com<\/a>, hariomnagariitr@gmail.com<\/p>\n

Received: 25 Aug 2020; Accepted: 28 Dec 2020; Published: 25 Jan 2021<\/p>\n

    \n
  1. Introduction <\/strong><\/li>\n<\/ol>\n

    \u00a0<\/strong><\/p>\n

    Use of spectroscopic technique for the determination of contents of azo dye mixtures is not at all simple due to the spectral interferences caused by overlapped absorption bands. <\/strong>Arsenazo, an important commercial dye is a pseudo octahedral Co(II) complex which contains 1-nitroso-2-naphthol-6-sulfonate (NNSH) in the deprotonated state (NNS-) as a bidentate ligand (Ali et al. 2020; ; Chung 2016; Jauberty et al. 2016; Liang and He 2016).<\/p>\n

    Stability constants are most used method by chemist to determine the properties of metal-ligand reactions in water and biological systems (Manobala et al. 2019; Bhardwaj et al. 2017; Niazi et al. 2007; Jauberty et al. 2013; Mossalamy 2009). <\/strong>The extent of formation or tendency to get transformed, of a particular species is indicated by its thermodynamic stability. Whereas the speed of the kinetic stability of a species refers to the speed with which transformations leading to the attainment of equilibrium will occur.<\/p>\n

    The purity of Arsenazo-III dye in commercial market is approximately 50% and also it is unstable in acidic solution, hence green colour of dye get disappeared (Serenjeh et al. 2016; Golmohammadi et al. 2012; Lu et al. 2004; Hogendoorn et al. 2018) in acidic medium. The wavelength of maximum absorption of commercial Arsenazo-III in aqueous solution is 540 nm.<\/p>\n

     <\/p>\n

      \n
    1. Experimental<\/strong><\/li>\n<\/ol>\n

      \u00a0<\/strong><\/p>\n

      2.1. \u00a0Instrumentation<\/em><\/p>\n

      For UV-Visible<\/em><\/strong> spectral<\/em><\/strong> study , Elico model no SL-159 double beam spectrophotometer was used in\u00a0 Department of Chemistry, Vivekananda Global University Jaipur<\/p>\n

      Elicomodle no 111E (glass electrode) pH meter<\/em><\/strong> was used or observation of pH.<\/p>\n

      Metaler Toledo model no AB 204-S electrical balance<\/em><\/strong> was used for accurate measurement of amount of metal.<\/p>\n

      2.2. \u00a0Reagents<\/em><\/p>\n

      Preparation of Arsenazo-III solution- <\/strong>Arsenazo-III with graded purity was purchased from LOBO Chemie. Standard solution of Arsenazo-III was prepared by dissolving accurately weighed 0.776 g using 100 ml double distilled water. The resulting solutions were filtered through whatman filter paper no.42 to avoid impurities.<\/p>\n

      Preparation of metal solutions-<\/strong>A standard solution of copper nitrate pentahydrate containing 1mg of metal per ml was prepared by accurately weighing and dissolving metal compounds in acidic solutions. The solutions was standardized by standard methods. Solutions of required strengths were obtained from standard stock solutions by suitable dilution.<\/p>\n

        \n
      1. Preliminary Studies <\/strong><\/li>\n<\/ol>\n

        To determine the nature of complex formed, different sets with variable proportion of\u00a0 metal,\u00a0 Cu(II), with Arsenazo(III)\u00a0 were prepared as per details mentioned in\u00a0 table 1. Absorbance of each set was measured in the wavelength range 500-650nm using UV-Visible spectrophotometer and obtained results are summarized graphically in figure 1 for Cu(II): Arsenazo (III) complex .\u00a0 Maximum absorbance wavelength \u03bbmax for\u00a0 Cu(II): Arsenazo (III) complex is 610nm as is clearly visible in figure 1.<\/p>\n

        Table 1: Composition of mixtures<\/p>\n\n\n\n\n\n\n\n\n\n
        Mixture<\/strong><\/td>\nFinal Concentration =2.0 X 10-5<\/sup><\/strong><\/td>\nRatio M:L<\/strong><\/td>\n<\/tr>\n
        \u00a0<\/strong><\/td>\nMetal solution(in ml)<\/td>\nArsenazo-III solution (in ml)<\/td>\n<\/td>\nMetal ion: Arsenazo(III)<\/td>\n<\/tr>\n
        A<\/strong><\/td>\n0.00<\/td>\n4.00<\/td>\n<\/td>\n0:1.0<\/td>\n<\/tr>\n
        B<\/strong><\/td>\n8.00<\/td>\n4.00<\/td>\n<\/td>\n1:0.5<\/td>\n<\/tr>\n
        C<\/strong><\/td>\n4.00<\/td>\n4.00<\/td>\n<\/td>\n1:1.0<\/td>\n<\/tr>\n
        D<\/strong><\/td>\n2.00<\/td>\n4.00<\/td>\n<\/td>\n1:2.0<\/td>\n<\/tr>\n
        E<\/strong><\/td>\n1.33<\/td>\n4.00<\/td>\n<\/td>\n1:3.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \"\"<\/p>\n

        Figure 1: UV-Visible absorbance spectrum of Copper(II): Arsenazo III complex at various compositions<\/p>\n

        From figure 1 it is evident that the region of maximum absorbance of Arsenazo III is at wavelength 540 nm and there is a sharp shift of the curves due to complex formation whereby \u03bbmax shifts to 580 nm., which is considered to be the region of the maximum absorbance of the complex. In curve B and C this is true but in curve D and E where Arsenazo III is in excess , the wavelength of maximum absorbance of the chelate shifts that of the Arsenazo III alone. These results indicate that only one complex having \u03bbmax 580 nm is formed under the condition of study.<\/p>\n

         <\/p>\n

          \n
        1. Calibration Data and Validation <\/strong><\/li>\n<\/ol>\n

          Calibration data for Arsenazo(III) was measured by preparing set of solutions with variable concentration of Arsenazo(III) keeping concentration of metal,\u00a0 Cu(II) ,constant and following the standard procedure.<\/p>\n

          Calibration data summarized in table 2 for arsenazo(III) copper complex\u00a0 shows good agreement in the concentration range 1.306 X102<\/sup>mg\/ml to 9.792 X 102<\/sup>mg\/ml of Arsenazo(III) with molar absorptive coefficient of complex as 2.7 X 103<\/sup> l mol\u22121<\/sup> cm\u22121<\/sup> with coefficient of variance 1.250 and relative standard deviation % is \u00b11.21%.<\/p>\n

          Table 2: Calibration data Arsenazo(III): Cu(II) Complex<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          S.No.<\/strong><\/td>\nWeight Taken Arsenazo(III)<\/strong><\/p>\n

          (in \u00b5g)<\/strong><\/td>\n

          		Average\u00a0 Weight found Arsenazo(III)<\/strong><\/p>\n

          (in \u00b5g)<\/strong><\/td>\n

          		C.V<\/strong><\/td>\n%R.S.D<\/strong><\/td>\n<\/tr>\n
          1<\/td>\n1.306 X 102<\/sup><\/td>\n1.208 X 102<\/sup><\/td>\n0.750<\/td>\n0.979<\/td>\n<\/tr>\n
          2<\/td>\n1.632 X 102<\/sup><\/td>\n1.534 X 102<\/sup><\/td>\n0.600<\/td>\n0.972<\/td>\n<\/tr>\n
          3<\/td>\n1.926 X 102<\/sup><\/td>\n1.926 X 102<\/sup><\/td>\n1.067<\/td>\n0.326<\/td>\n<\/tr>\n
          4<\/td>\n2.285 X 102<\/sup><\/td>\n2.285 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          5<\/td>\n2.611 X 102<\/sup><\/td>\n2.578 X 102<\/sup><\/td>\n1.250<\/td>\n0.642<\/td>\n<\/tr>\n
          6<\/td>\n2.938 X 102<\/sup><\/td>\n2.938 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          7<\/td>\n3.264 X 102<\/sup><\/td>\n3.264 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          8<\/td>\n3.590 X 102<\/sup><\/td>\n3.656 X 102<\/sup><\/td>\n1.081<\/td>\n0.653<\/td>\n<\/tr>\n
          9<\/td>\n3.917 X 102<\/sup><\/td>\n3.949 X 102<\/sup><\/td>\n0.833<\/td>\n0.236<\/td>\n<\/tr>\n
          10<\/td>\n4.243 X 102<\/sup><\/td>\n4.243 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          11<\/td>\n4.570 X 102<\/sup><\/td>\n4.537 X 102<\/sup><\/td>\n0.714<\/td>\n0.326<\/td>\n<\/tr>\n
          12<\/td>\n4.896 X 102<\/sup><\/td>\n4.896 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          13<\/td>\n5.222 X 102<\/sup><\/td>\n5.222 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          14<\/td>\n5.549 X 102<\/sup><\/td>\n5.5516 X 102<\/sup><\/td>\n0.588<\/td>\n0.468<\/td>\n<\/tr>\n
          15<\/td>\n5.875 X 102<\/sup><\/td>\n5.875 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          16<\/td>\n6.201 X 102<\/sup><\/td>\n6.201 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          17<\/td>\n6.521 X 102<\/sup><\/td>\n6.561 X 102<\/sup><\/td>\n0.500<\/td>\n0.360<\/td>\n<\/tr>\n
          18<\/td>\n6.854 X 102<\/sup><\/td>\n6.919 X 102<\/sup><\/td>\n0.952<\/td>\n0.856<\/td>\n<\/tr>\n
          19<\/td>\n7.181 X 102<\/sup><\/td>\n7.115 X 102<\/sup><\/td>\n0.909<\/td>\n0.652<\/td>\n<\/tr>\n
          20<\/td>\n7.507 X 102<\/sup><\/td>\n7.475 X 102<\/sup><\/td>\n0.435<\/td>\n0.732<\/td>\n<\/tr>\n
          21<\/td>\n7.834 X 102<\/sup><\/td>\n7.768 X 102<\/sup><\/td>\n0.833<\/td>\n0.846<\/td>\n<\/tr>\n
          22<\/td>\n8.160 X 102<\/sup><\/td>\n8.127 X 102<\/sup><\/td>\n0.400<\/td>\n0.318<\/td>\n<\/tr>\n
          23<\/td>\n8.486 X 102<\/sup><\/td>\n8.486 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          24<\/td>\n8.813 X 102<\/sup><\/td>\n8.812 X 102<\/sup><\/td>\n0.000<\/td>\n0.000<\/td>\n<\/tr>\n
          25<\/td>\n9.139 X 102<\/sup><\/td>\n9.172 X 102<\/sup><\/td>\n0.357<\/td>\n1.216<\/td>\n<\/tr>\n
          26<\/td>\n9.465 X 102<\/sup><\/td>\n9.531 X 102<\/sup><\/td>\n0.689<\/td>\n0.894<\/td>\n<\/tr>\n
          27<\/td>\n9.792 X 102<\/sup><\/td>\n9.824 X 102<\/sup><\/td>\n0.333<\/td>\n0.562<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
            \n
          1. Composition of Complex <\/strong><\/li>\n<\/ol>\n

            The metal:ligand ratio in Cu(II) complexes of Arsenazo (III) was confirmed using spectral method, namely Mole ratio method and Continuous variance Job\u2019s method . The concentration of both\u00a0 metal and dye was kept as\u00a0 2.0 \u00d7 10\u22125<\/sup> M<\/p>\n

             <\/p>\n

            5.1. Mole Ratio Method <\/em><\/p>\n

            A series of solutions flasks are organized wherein the metal ion concentration , Cu2+<\/sup> , was kept fixed and that of the ligand Arsenazo( III) was changed. Absorbance of each flask was recorded at absorbance maximum of Arsenazo-Cu(II) i.e 580 nm. Plot with absorbance on Y \u2013axis and mole ratio of reagent at X-axis was then plotted as shown in figure 2 for Cu(II)-Arsenazo(III) complexes respectively. For the complexes, a curve with a positive slope is obtained till mole ratio value one after which there is no increase. This indicates that metal has been used up entirely at mole ratio one and further addition of ligand (Arsenazo (III) dye) produce no more complexation. Hence Cu(II):Arsenazo complex composition is 1:1 by mole ratio method.<\/p>\n

            For calculating the value of stability constant (K) we use :<\/p>\n

            K=(1-\u03b1) \/ \u03b12<\/sup>C<\/p>\n

            here \u03b1 gives the degree of dissociation and C is the concentration of the complex. For Cu(II)-Arsenazo(III) complex 5.48 value of log K\u00a0 is obtained as per mole ratio plot.<\/p>\n

            \"\"<\/p>\n

            Figure 2:\u00a0 Mole ratio Plot of Cu(II): Arsenazo (III) complex<\/p>\n

            5.2. Job\u2019s Method of Continuous Variance\u00a0 <\/em><\/p>\n

            A sequence of solutions were prepared with total volume of metal ion and Arsenazo(III) as constant 10 ml and variable proportions i.e., 0\u201310, 1\u20139, 2\u20138, 3\u20137 10\u20130. Thus solutions are mixed in such a method that concentration in totality (C) of Arsenazo(III) Cx and metal ion Cm is maintained persistent and merely their ratios are varied.<\/p>\n

            Cx + Cm = C<\/p>\n

            Absorbance of individual set of solution was evaluated at the absorbance maximum of complex. Plot of absorbance and mole fraction of ligand (Cx\/C) was then plotted as shown in Figure 3 for the complexes. On extrapolation curve gives point of intersection (n). Configuration of Cu(II): Arsenazo(III) complexes is 1:1. Value of stability constant K as obtained from Job\u2019s method of continuous variation plot was found to be 5.44 for Cu(II): Arsenazo(III) complex.<\/p>\n

            \"\"<\/p>\n

            Figure 3: Job\u2019s method Plot of Cu(II): Arsenazo(III)complex<\/p>\n

              \n
            1. Effect of Temperature <\/strong><\/li>\n<\/ol>\n

              The effect of change in temperature on the complexation of Copper (II) with Arsenazo(III) was examined by recording the absorbance with variation in temperature from 200<\/sup>C to 800<\/sup>C of an equimolar mixture of the metal and ligand.\u00a0\u00a0 In case of Cu(II)-Arsenazo(III) complex the absorptivity remains constant when temperature of the aqueous solution was varied from 300<\/sup>C to 500<\/sup>C as is visible in plot figure 4. Beyond this range the absorptivity of the complex decreased as a result of\u00a0 decomposition of the complex. All observations were thus carried out at 400<\/sup>C (\u00b150<\/sup>C).<\/p>\n

              \"\"<\/p>\n

              Figure 4 :Effect of change in temperature on Cu(II): Arsenazo(III)complex<\/p>\n

                \n
              1. Effect of Change in pH<\/strong><\/li>\n<\/ol>\n

                The influence of pH on complex was determined by recording the absorbance of complex at different pH at \u03bbmax of complex. It was found that the absorbance of Cu(II)-Arsenazo(III) complex at 610nm is the same between pH 2.0 to 4.5 .This indicates that the suitable pH range for the photometric determination of copper with Arsenazo III is 2.0 to 4.5 on this basis pH 3.0 were selected in this study.<\/p>\n

                 <\/p>\n

                  \n
                1. Conclusion<\/strong><\/li>\n<\/ol>\n

                  Calibration data show that molar absorptivity coeff. of Arsenazo(III):copper complex\u00a0 is e\u00a0 2.7 X 103<\/sup> l mol\u22121<\/sup> cm\u22121<\/sup>. Complex follow the Beer Lambert\u2019s law in the range 1.306 X102<\/sup>mg\/ml to 9.792 X 102<\/sup>mg\/ml. The method can be used to determine Arsenazo(III) in various water samples. This method can be used for testing quality of effluent samples using Arsenazo(III) for dying .<\/p>\n

                  References<\/strong><\/p>\n

                   <\/p>\n

                  Ali, M.Y., G.M. Hassan, A.M.S. Hassan, Z.A. Mohamed, and M.F.\u00a0 Ramadan. 2020. In vivo genotoxicity assessment of sunset yellow and sodium benzoate in female rats.\u00a0 Drug Chem. Toxicol.<\/em> 43:504\u2013513.<\/p>\n

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                  Bhardwaj\u00a0 N., and J. Kaushik. 2017. Spectrophotometric study of complexation of Labetalol with some transition metal ions. World J. Pharm. Pharm. Sci.<\/em> 6: 1108\u20131111.<\/p>\n

                   <\/p>\n

                  Chung, K.T. 2016. Azo dyes and human health: a review. J. Environ. Sci. Health C Environ. Carcinog. Ecotoxicol. Rev.<\/em>\u00a0 34: 233\u2013261.<\/p>\n

                   <\/p>\n

                  El-Mossalamy E. 2009.\u00a0 Potentiometric and spectroscopic studies of sulfonamideazo-dye complexes with some transition metal ions and uranium. Port. Electrochim. Acta<\/em> 27:143\u201352<\/p>\n

                   <\/p>\n

                  Golmohammadi H., A. Rashidi, and S.J. Safdari. 2012. Simple and rapid spectrophotometric method for determination of uranium (VI) in low grade uranium ores using arsenazo (III) Chem. Chem. Technol.<\/em>\u00a0 6: 245\u2013249.<\/p>\n

                   <\/p>\n

                  Hogendoorn C., P. Roszczenko-Jasi\u0144ska, N.C. Martinez-Gomez, J. d. Graaff, P. Grassl, A. Pol, H.J.M. Op den Camp, and L. J.\u00a0 Daumannc. 2018. A facile Arsenazo III based assay for monitoring rare earth element depletion from cultivation media of methanotrophic and methylotrophicbacteria. J. Appl. Environ. Microbiol.<\/em> 84: e02887-17.<\/p>\n

                   <\/p>\n

                  Jauberty L., N. Drogat, J. Decossas, V . Delpech, V. Gloaguen. V . Sol. 2016. Optimization of the arsenazo-III method for the determination of uranium in water and plant samples. Talanta<\/em> 115: 751\u2013754.<\/p>\n

                   <\/p>\n

                  Jauberty L., N. Drogat, J.L. Decossas. 2013. Optimization of the arsenazo-III method for the determination of uranium in water and plant samples. Talanta<\/em> 115: 751\u2013 4.<\/p>\n

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                  Lu Y.W., G. Laurent, and H. Pereira. 2004. A novel methodology for evaluation of formation constants of complexes: example of lanthanide\u2013Arsenazo III complexes. Talanta<\/em> 62: 959\u201370.<\/p>\n

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                  Manobala T., S.K. Shukla, and\u00a0 T.S. Rao. 2019. A modified Spectrometric Arsenao III method for estimation of uranium and its biochemical application, J.J. Biochem.<\/em> 2: 005.<\/p>\n

                   <\/p>\n

                  Niazi A., N. Ghasemi, M. Goodarzi, and A. Ebadi. 2007. Simultaneous spectrophotometric determination of uranium and thorium using arsenazo III by H-Point standard addition method and partial least squares regression. J. Chin. Chem. Soc. <\/em>54: 411\u20138.<\/p>\n

                   <\/p>\n

                  Serenjeh F.N., P. Hashemi, A.R. Ghiasvand, F. Rasolzadeh<\/a>. 2016. A new optical sensor for selective quantitation of uranium by the immobilization of arsenazo III on an agarose membrane. Anal. Methods <\/em>8: 4181\u20137.<\/p>\n

                   <\/p>\n

                  Liang Y., and Y. He. 2016. ArsenazoIII-functionalized gold nanoparticles for photometric determination of uranyl ion. Microchim. Acta<\/em> 183:\u00a0407\u2013413.<\/p>\n","protected":false},"excerpt":{"rendered":"

                  Research article Vol. 7 Issue 1 Page No. 26-33 Rupali Shrivastava1, Meenakshi Meena2 and Hariom Nagar2* 1* Department of Chemistry, Vivekananda Global University, Jaipur, India \u00a0 2 Department of Chemistry, Suresh Gyan Vihar University, Jaipur, India Abstract In this research paper Cu(II) complex of Azo dye Arsenazo(III) was synthesised with dye molecule acting as ligand […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,322],"tags":[],"class_list":["post-5649","post","type-post","status-publish","format-standard","hentry","category-journal-of-environment-science-and-technology","category-volume-7-issue-1-2021-journal-of-environment-science-and-technology"],"yoast_head":"\nresearch journal - Research Journal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gyanvihar.org\/journals\/analytical-and-kinetic-investigation-of-azo-dye-arsenazoiii-as-copperii-derivative-by-using-spectroscopic-methods\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analytical and Kinetic Investigation of Azo dye Arsenazo(III) as Copper(II) Derivative by Using Spectroscopic Methods - 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