pH 29
pH 29 : Chemistry and Chemical Disasters. The pH is a measure of the acidity or basicity (alkalinity) of a material when dissolved in water. It is expressed on a scale from 0 to 14. Roughly, pH can be divided into the following ranges: pH 0 - 2 Strongly acidic, pH 3 - 5 Weakly acidic, pH 6 - 8 Neutral, pH 9 - 11 Weakly basic, pH 12 - 14 Strongly basic. Under the Canadian Controlled Products Regulations, materials with pH values of 0-2 or 11. 5-14 may be classified corrosive. Corrosive materials must be stored and handled with great care
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