Application Note: Simultaneous Determination of Calcium and Magnesium in Water Samples and Beverages and the Different Types of Water Hardness by Complexometric Titration with Potentiometric Indication
10 April 2013

This application bulletin describes a potentiometric titration method for the simultaneous complexometric determination of the calcium and magnesium ions in a sample using Na2EDTA as titrant. The method described is suitable for the automatic determination of the different types of water hardness (carbonate, calcium, magnesium, total and permanent hardness) and the determination of calcium and magnesium in beverages (fruit and vegetable juices, wine).

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