Synthesis,Characterization,Thermal and Kinetic Photo Chemical Decomposition Study of New Azo Dye 7-[2-(BenzImidazolyl)Azo]-8-Hydroxy Quinoline and its Znic (II) Complex

This research includes preparation and spectral identification of a new azo ligand7-[2-(Benzimidazolyl) azo]-8-Hydroxy quinoline (BIAHQ) by using UV-Vis,  IR, 1H-NMR and mass spectra.The preparation of Zn(II)-complex of this ligand and identification by UV-Vis, IR radation spectrum,which characterized by elemental analysis.The analytical data shows that the metal to ligand ratio [M:L] of Zn(II)complex is 1:2.Decomposition kinetics was studied photochemical complex through irradiation solution complex single wavelength light ?=365 nm ,at temperature of 25 ?C for 60 minutes  and ethanol solvent was found to be the reaction from first order. Also,the calculated rate concetant photolysis kd mediated follow spectral changes during the process of irradiation . In order to reach the optimal conditions for the dissolution of the complex, it has been studied the impact of several factors on photochemical reaction of disintegration of the complex which include : Study the effects of the change in the intensity of light. More over  disintegration of the complex has been studied in temperature range 15-30?C, and studied the effects of the acidic function within range 3-9.The effects of several alcoholic solvents were studied on the rate of disintegration and these solvents are methanol, ethanol, isopropanol and1-butanol.Free ligand and Zn(II)complex were submitted to thermal analysis(TGA and DSC) activation thermodynamic data are calculated

Preface

The 1st International Scientific Conference on Pure Science (ISCPS2019) was held on 23 -24 January 2019 at the University of Al-Qadisiyah, College of Education, Diwaniyah, South of Iraq. The ISCPS2019 was the first forum to present the innovative results of the advanced topics in physics, mathematics, biology, and chemistry. The conference was jointly organised by the Ministry of Higher Education and Scientific Research in Iraq. The conference is an opportunity to achieve the strategic goals on the processes of activating the own capability to build (knowledge society), and keep abreast of scientific developments in the fields of science, and their applications and investments to serve the society. Thus, the conference aims is to bring together leading academics, scholars and students to discuss theoretical and practical issues to share their experiences and research findings, as well as ideas, problems and solutions related to the multifaceted aspects of Advanced Science. In this Conference, 300 technical papers were presented by local and international participants. The event included the contributions of large number of researchers, elite of universities and scientific institutions inside and outside Iraq. The contributions focused on the exchange of ideas and the dissemination of scientific knowledge. A number of reviewers assessed the quality of manuscripts. A rigorous peer-review process have implemented to evaluate the manuscripts. All accepted papers will be published in the conference proceeding. A booklet of abstracts was given to all participants on the registration day. The Committee have selected the high-quality manuscripts for publication in a special issue within a recognized international journal (with Clarivate and Scopus Indexing). The organised committee would like to thank the editors, Keynote speakers, reviewers and authors who have contributed to the Conference Proceedings. Our special thanks go to the Iraqi Higher Education and Scientific Research for their support towards the successful organization of the conference