Analysis of a spring water
Determination of magnesium ions: colorimetric titration
To determine Mg2+ concentration, several methods can be considered:
- From water hardness (Ca2+ + Mg2+) and Ca2+ concentration obtained by a complexometric / colorimetric titration.
n(Mg2+) = n(Ca2+ + Mg2+) - n(Ca2+) - By reflectometry.
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