21 Water Quality Parameters 14

21 Water Quality Parameters 14 - (available) Solid...

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pH A measure of the amount of Hydrogen ions in water - Log (H + ) Low pH = High amount of Hydrogen ions in water High pH = Low amount of Hydrogen ions in water Low pH: acidic
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pH (hydrogen) Low pH = High H + H + pH 2 = 0.01 g H / L pH 4 = 0.0001 g H / L Acid: any substance which increases the hydrogen ion concentration in water. - Log (H + ) Natural rainfall has a pH of 5.6 There is 100 times more H+ in water at pH 2 compared to pH 4
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CaHPO 4 + H + = Ca 2+ + H 2 PO 4 - Availability and Form of Nutrients NH 4 + NH 3 Low pH High pH High H + conc. low H + conc. Solid (unavailable) Dissolved
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Unformatted text preview: (available) Solid (unavailable) dissolved (available) Availability and Form of Metals Dissolution of metals increases their mobility PbCO 3 + H + Pb 2+ + HCO 3-There are approximately 420,000 abandoned mines in the states of California, Arizona and Nevada Mine Tailings FeS 2 2H 2 SO 4 oxygen water Direct toxicity plus dissolution of associated metal contaminants such as arsenic, lead, and cadmium Cd, Pb, Zn, Cr, Cu, Al PbCO 3 + H + Pb 2+ + HCO 3-solid soluble 2H + + SO 4 2-...
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This note was uploaded on 02/17/2011 for the course SWS 2007 taught by Professor bonczek during the Fall '09 term at University of Florida.

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21 Water Quality Parameters 14 - (available) Solid...

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