“A Novel Semi Automated On-Line Determination of Oxonium Ion Via Precipitation Reaction Using a New Mode of Attenuated Measurement of Incident Light (0 – 180o) by AYAH 5SX4-ST-5D Solar CFI Analyser”., Iraqi Journal of Science, vol. 55, no. 4B, pp. 1736–1750, Oct. 2023, Accessed: May 20, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11285