-A pH of acid or alkaline water (pH value of drinking water should be between 6.8-7.3) in General, the water discharged from industrial plants often have a low pH value (PH < 7) which means a highly corrosive acid. PH measurement is made easy by using the litmus in the measurement of acid. – Bass, which, as the concentration of [H +] or measured using pH meter to make the resolution more. Weather conditions at the base (alkalinity) is water with a high bass will contain the ion of OH-, CO3-2 H 3, calcium, sodium, magnesium, CO of the elements potassium or ammonia, which will help the weather acts like a buffer against changes in pH value of water run-off. Saphapkrot (acidity), generally there will be sources of wastewater from communities in buffer conditions, so no water bass has a value that is too low pH but the effluents from industrial plants usually have a pH value of less than 4.5, which comes from the dissolved CO2.
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