“Study the Effect of Changing Positions on Some of the Spectral Properties of the New Azo Dye [sodium (E)-7-Amino-3-((2-(hydrogenarsonato) Phenyl) Diazenyl)-3-Hydroxynaphthalene -1-Sulfonate] and Compare It With Other Azo Dye Prepared in Advance [sodium (Z)-4-Amino-2-((2-(hydrogenarsonato) Phenyl) Diazenyl)-4-Hydroxynaphthalene -2-Sulfonate]”. University of Thi-Qar Journal of Science 6, no. 2 (June 27, 2017): 52–60. Accessed July 3, 2024. https://jsci.utq.edu.iq/index.php/main/article/view/87.