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Ionic Composition of Seawaters and Derived Saline Solutions Determined by Ion Chromatography and Its Relation to Other Water Quality Parameters by Nataša Gros; M.F. Camões; Cristina Oliveira; M.C.R. Silva is a Chemistry article available to read on EtoBox.

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Ion chromatography (IC) presents new possibilities for assessing information about environmental samples, namely waters of various compositions, ranging from high-purity water to highly saline ones. Constant proportion between major ions present in seawater, has been assumed in the past, from which the first practical equation relating chlorinity and salinity has been developed, being later substituted by a practical salinity scale, derived from conductivity measurements relative to a standard seawater, according to internationally accepted recommended procedures. Seawaters are characterized by salinity values around 35 while derived saline solutions may present considerable changes in ionic composition, conductivity, hence on salinity. Natural and anthropogenic phenomena may introduce new issues requiring clarification for which qualitative and quantitative information from additional sources is useful, e.g. ionic composition from IC. The different ranges of concentration of major and minor species present in seawater and derived saline solutions are a challenge for the optimization of a practical methodology for composition assessment in two single IC runs, one for anions and ano

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Author

Nataša Gros; M.F. Camões; Cristina Oliveira; M.C.R. Silva

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1873-3778)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)