Diary of Unknown Symptoms

Mystery of the Internal Vibration

Entry for June 28, 2006


Variation in Mineral Content of Bottled Waters

Substantial variations in the concentrations of the three major minerals were observed in the bottled waters studied. Magnesium content ranges from to 126 mg per litre, sodium content ranges from 0 to 1,200 mg per litre, and calcium content ranges from 0 to 546 mg per liter. In general, waters bottled in North America had low mineral contents, while waters bottled in Europe had high mineral contents. For the North American bottled waters, the median concentration for magnesium was 2.5 mg per liter, for sodium it was 5 mg per liter, and for calcium it was 8 mg per liter, For the European bottled waters, the median concentration for magnesium was 23.5 mg per litre, for sodium it was 20 mg per litre, and for calcium it was 115 mg per litre.

When comparing the mineral contents of bottled water, it is important to know the variation of the mineral content from bottle to bottle. According to the technical director of the International Bottled Water Association, variation of mineral content is less than 5% (Arthur von Wiesenberger, personal communication) mainly due to different testing methods. We did not find any published studies that looked at the mineral content of tap water. However, from the limited information we were able to obtain, it appears that tap water in major North American cities contains relatively low levels of magnesium (<48 mg per liter), sodium (< 195 mg per litre), and calcium(<85 mg per litre).

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June 28, 2006 - Posted by | Health | , , , ,

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