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Cadmium: From Toxicity to Essentiality

Overview of attention for book
Attention for Chapter 3: Speciation of Cadmium in the Environment
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Chapter title
Speciation of Cadmium in the Environment
Chapter number 3
Book title
Cadmium: From Toxicity to Essentiality
Published in
Metal ions in life sciences, January 2016
DOI 10.1007/978-94-007-5179-8_3
Pubmed ID
Book ISBNs
978-9-40-075178-1, 978-9-40-075179-8

Francesco Crea, Claudia Foti, Demetrio Milea, Silvio Sammartano


This chapter reports an analysis of literature dedicated to the speciation of cadmium in various environmental compartments, i.e., atmosphere, natural waters, soils and sediments. The difficulty of the cadmium speciation studies, due to the variability of composition of different natural systems and to the low cadmium concentration in the environment, is highlighted. As an alternative approach, cadmium behavior is assessed by modelling its reactivity towards the main classes of ligands usually present in natural systems. The stability of cadmium complexes with various ligand classes is analyzed and modelled. Simple equations are proposed for the estimation of the stability of cadmium complexes with carboxylates, amines, amino acids, complexones, phosphates, phosphonates, and thiolates. The modelling ability of these equations is carefully analyzed. In addition, the sequestering ability of some ligands toward cadmium has been evaluated by the calculation of pL(0.5) (the total ligand concentration, as -log c (L), able to bind 50% of a metal cation), an empirical parameter recently proposed for an objective "quantification" of this ability in defined conditions (pH, ionic strength, temperature, composition of solution).

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Moldova, Republic of 1 2%
Unknown 42 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 14 33%
Student > Bachelor 8 19%
Student > Ph. D. Student 6 14%
Other 3 7%
Professor > Associate Professor 2 5%
Other 5 12%
Unknown 5 12%
Readers by discipline Count As %
Environmental Science 14 33%
Chemistry 8 19%
Biochemistry, Genetics and Molecular Biology 3 7%
Earth and Planetary Sciences 3 7%
Engineering 3 7%
Other 6 14%
Unknown 6 14%