“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. 4hB, pp. 1736–1750, May 2025, doi: 10.24996/ijs.2014.55.4B.%g.