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. (2023). Iraqi Journal of Science, 56(1B), 282-302. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10431