New mode for the on-line determination of oxonium ion in different strong acids using CFIA via the use of homemade linear array Ayah 5Sx4-ST- 5D solar CFI analyser. Iraqi Journal of Science [Internet]. 2023 Jun. 3 [cited 2025 Jul. 5];56(1B):282-30. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10431