Figure 4: Identification of metal–DMA and metal–NA complexes under physiological pH conditions. | Scientific Reports

Figure 4: Identification of metal–DMA and metal–NA complexes under physiological pH conditions.

From: Identification of metal species by ESI-MS/MS through release of free metals from the corresponding metal-ligand complexes

Figure 4

The metal complex mixtures were prepared in pH 5.5 (a,c) and pH 7.5 (b,d) and identified with the released free metals (lower panel) in positive ESI mode with Obritrap-MS. The spectra of the released free metals were obtained in ESI-MS/MS with fragmentation energies HCD-90%. Asterisk denotes the ferric ion.

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