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. (2023). Iraqi Journal of Science, 55(4B), 1736-1750. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11285