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]. UTJsci 2017, 6 (2), 52-60. https://doi.org/10.32792/utq/utjsci/v6i2.87.