Electrospray ionization mass spectrometry in studies of aluminium(III)-ligand solution equilibria.
Electrospray ionization mass spectrometry (ESI-MS) has been applied to the study of solution equilibria between Al(III) and the two ligands 4-hydroxy-3-pyridinecarboxylic acid (4H3P) and 3-hydroxy-4-pyridinecarboxylic acid (3H4P). The results compare well with the speciation data obtained from potentiometric, UV-visible spectroscopy, and NMR measurements. This agreement suggests the applicability of ES-MS to the study of more complicated aluminium-ligand systems.
Di Marco
Valerio B
VB
Università degli Studi di Padova, Dipartimento di Chimica Inorganica, Metallorganica ed Analitica, via Marzolo 1, 35131 Padova, Italy.
Bombi
G Giorgio
GG
Tubaro
Michela
M
Traldi
Pietro
P
D000535:Aluminum / Q000378:metabolism*; D002614:Chelating Agents / Q000032:analysis / Q000737:chemistry / Q000378:metabolism; D007539:Isonicotinic Acids / Q000032:analysis* / Q000737:chemistry / Q000378:metabolism*; D008024:Ligands; D009539:Nicotinic Acids / Q000032:analysis* / Q000737:chemistry / Q000378:metabolism*; D012996:Solutions / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods*
C478611:3-hydroxy-4-pyridinecarboxylic acid; D002614:Chelating Agents; D007539:Isonicotinic Acids; D008024:Ligands; D009539:Nicotinic Acids; D012996:Solutions; C478610:4-hydroxy-3-pyridinecarboxylic acid; D000535:Aluminum