Technology for detecting heavy metals in the soil using an ionometer Foziljon Saitkulov, Foziljon Abdullayev, Maxamsaid Xudayrov, Turaqul Eshboboev and Gayrat Haydarov BIO Web Conf., 105 (2024) 05004 Published online: 26 April 2024 DOI: 10.1051/bioconf/202410505004