What is it about?
The ratio Ca2+/Mg2+ can indicate the changes in seawater associated with global warming as well as negative effects on well being of corals. Therefore a simple, fast and robust chromatographic method for determination of these metals is proposed. For this purpose, a monolithic silica rod column with covalently attached hydroxyethyl iminodiacetic acid was used. The chelation is dominant retention mechanism that minimizes the effects of high ionic strengths and huge excesses of alkali metal cations.
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Why is it important?
The ratio Ca2+/Mg2+ can indicate the changes in seawater associated with global warming as well as negative effects on well being of corals. We want to prevent further death of corals.
Perspectives
This publication is a good basis for the construction of portable devices for monitoring Ca2+/Mg2= ratio in seawater/
Professor Pavel N Nesterenko
M.V. Lomonosov Moscow State University
Read the Original
This page is a summary of: Direct chromatographic separation and quantification of calcium and magnesium in seawater and sediment porewaters, Limnology and Oceanography Methods, September 2013, Wiley,
DOI: 10.4319/lom.2013.11.466.
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