“Spectrophotometric Determination of Micro Amount of Chromium (III) Using Sodium 4-((4,5-Diphenyl-Imidazol-2-yl)diazenyl)-3-Hydroxynaphthalene-1-Sulfonate in the Presence of Surfactant, Study of Thermodynamic Functions and Their Analytical Applications”. 2023. Baghdad Science Journal 20 (4): 1331. https://doi.org/10.21123/bsj.2023.7393.