Leadership

Mineral Constituents of Water and Their Effect Upon the Various Uses

Issue 1 and Volume 52.

Mineral Constituents of Water and Their Effect Upon the Various Uses All natural waters contain, dissolved or suspended in them, more or less of all materials with which they come in contact, Such materials are taken up in amounts determined principally by their chemical composition and their physical structure, temperature and pressure, the duration of contact, and the condition of substances that have previously been incorporated in the water. To designate such suspended or dissolved matter as “impurities” is hardly correct, because they are introduced normally. It has been customary, however, to call such substances impurities when they are detrimental or injurious in some proposed use of a water supply. The so-called impurities can then be classified as suspended matter, such as particles of clay or leaves; dissolved matter, either of mineral or organic origin; microscopic plants or animals; and bacteria. From a health standpoint the presence of microscopic animals…

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