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Lecture 4: Major Ions, Conservative Elements and Dissolved ...

1 Lecture 4: Major ions , Conservative Elements and Dissolved Gases in Seawater Major ions Major ions are defined as those Elements whose concentration is greater than 1 ppm. One reason this definition is used is because Salinity is reported to or 1 ppm. Thus, the Major ions are those ions that contribute significantly to the salinity. According to this definition there are 11 Major ions , all other Elements in seawater are present in concentrations less than 1ppm (<1mg/kg) and are called minor or trace constituents. At a salinity of S = seawater has the following composition.

dissolved constituents in river water come from chemical weathering of rocks and from recycled ... which binds with oxygen to form oxide and ... seawater chemistry: evidence from non-conservative behavior of conservative" elements. Science.

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ocean.stanford.edu

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