Fig. 8 Liquid-phase DEPTGL 13C nuclear magnetic resonance (NMR) spectra, showing all protonated carbons, of unreacted and nitrosated International Humic Substance Society soil humic acid (HA). LB is line broadening in hertz
Fig. 8 Liquid-phase DEPTGL 13C nuclear magnetic resonance (NMR) spectra, showing all protonated carbons, of unreacted and nitrosated International Humic Substance Society soil humic acid (HA). LB is line broadening in hertz