NDLI: Metals in the Aquatic Environment—Interactions and Implications for the Speciation and Bioavailability: A Critical Overview

Content Provider	Springer Nature Link
Author	Domingos, Rute F. Gélabert, Alexandre Carreira, Sara Cordeiro, Ana Sivry, Yann Benedetti, Marc F.
Copyright Year	2014
Abstract	In most case scenarios, individual metals exist as components in mixtures with organic and inorganic substances and/or particulate matter. While the concepts encompassing mixture toxicity and modeling have been around for decades, only recently have new approaches (dynamic speciation techniques and fate and bioavailability models) been expanded to consider metal mixture scenarios. For example, the kinetic features of humic substances and inorganic colloids on the complexation of metals are generally considered. Although current environmental regulations rarely require an assessment of chemicals mixtures, research on these mixtures in the environment is essential for future regulatory demands and is vital for ensuring adequate environmental protection. Interpretation of speciation and bioavailability data from metal mixtures can be very complex and demanding, due to the existence of kinetic physicochemical transformations of the dynamic components. This kinetic effect largely affects metals’ dynamic speciation, culminating in different transformed metal-containing products with different contributions for the metal uptake by a consuming interface. This manuscript is focused on the environmental fate of metal mixtures, which determines how the mixture is biogeochemically processed and which receptors are most exposed (organisms and exposure route), with a special focus on their dynamic speciation, including a critical evaluation of the current challenges and available dynamic speciation techniques as well as computer codes and models.
Starting Page	231
Ending Page	257
Page Count	27
File Format	PDF
ISSN	13806165
Journal	Aquatic Geochemistry
Volume Number	21
Issue Number	2-4
e-ISSN	15731421
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-12-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metals Colloidal particles Speciation Bioavailability Analytical techniques Models Geochemistry Hydrology/Water Resources Hydrogeology
Content Type	Text
Resource Type	Article
Subject	Geophysics Geochemistry and Petrology

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