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. 2023;56(1B):282-302. Accessed July 3, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10431