Lecture 4: Major Ions, Conservative Elements and Dissolved ...
Major ions are defined as those elements whose concentration is greater than 1 ppm. One reason ... Seawater contains 300 times more dissolved salts than average river water and the mix of ... 2-is conservative in oxic oceans but not in anoxic basins or within sediments. Sulfate is used by sulfate reducing bacteria to form HS-or H
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Lecture 5 - Trace Elements in Seawater
ocean.stanford.edu1 Lecture 5 - Trace Elements in Seawater Trace Elements – Those elements that do not contribute to the salinity. All elements are present in concentrations less than 1mg kg-1 Many of these elements are present at very low concentrations (as low as 10-21 M). 1 ppm is equivalent to 1oz of salt in 32 tons of potato chips! 1 ppb is like 1 drop of gin in 100,000 liters
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