
Keywords: NMR; Nuclear magnetic resonace; DIPPMPO; 5-Diisopropoxyphosphoryl-5-methyl-1-pyrroline-N-oxide; ROS; Reactive oxygen species; EDTA; Ethylenediaminetetraacetic acid; IDS; Tetrasodium-iminodisuccinate; EDDS; Ethylenediamine-N, Nâ²-disuccinic acid; ICP-OES;