SEARCH Articles Figures Tables Chemical classification of interaction trends between metal ions and natural complexants Classification of cations (metal ions) into analytical groups Classification of elements into metals and nonmetals Classification of metal ions Classification of metals Classification of transition metal-carbene complexes Classification, biological Metals Electrode metals classification Heavy metals classification Magnesium Metals, classification Metal boride classification Metal carbonyls classification Metal classification scheme Metal complexes classification Metal ions classification Metal matrix composites classification Metal toxicity classification Metal-carbene complexes Classification Metal-complex catalysis, classification Metallic ions, classifications Metallic structure classification Metals HSAB classification Metals abundance-based classification Metals classification Metals classification Metals periodic table classification Metals: French classification Nieboer and Richardsons Metal Classification Scheme Transition metal classification Transition metal complexes classification