CALCULATORS
pH Scale
The pH scale measures the amount of acidity or alkalinity in a chemical solution. Each number
is ten times larger than the next number. Thus a pH of 1 is 10 times more acidic than a pH of
2; a pH of 2 is 100 times more acidic than a pH of 4. pH is derived from the Greek word for
"Potency" and H is the symbol for hydrogen - thus, pH stands for the potency of the hydrogen
ion in an aqueous solution.
Note the following:
- Urine fluctuates from 5.5 to 8.0 depending on age, sex, food consumption, etc.
- Never mix cleaning chemicals, especially those found on opposite sides of the pH scale
because adverse reactions or neutralization of the mixture may occur.
- All pH values are approximates.
- Solvents do not have a pH because they do not ionize in aqueous solution.
- pH does not measure the corrosiveness of an acid (i.e., HCL with a pH of 1 is stronger
than Phosphoric with a pH of 1).
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