Magnesium

Magnesium

Magnesium is one of the main ionic species in water which causes hardness. Magnesium is also an indispensable mineral that helps in the production of chlorophyll, the light-absorbing green pigment that serves as an energy source for plants. It also increases vitamin concentrations and aids in uptake of phosphorus within the plant body.

Magnesium can be measured photometrically with reagents. Photometric analysis is based on the Beer-Lambert principle of absorbance in which the intensity of the color produced is proportional to the concentration of magnesium in the sample. Photometric analysis products include handheld colorimeters, portable and benchtop photometers, and spectrophotometers.

Titration methods are also available using a calcium ISE or photometric probe.