Water Balance: Difference between revisions
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Matt Parnell (talk | contribs) No edit summary |
Matt Parnell (talk | contribs) (→pH) |
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== pH == | == pH == | ||
pH is measured on a scale from 0 to 14: | [https://en.wikipedia.org/wiki/PH pH] is the "potential of Hydrogen"; a scale specifying the acidity or basicity of a solution, measured on a scale from 0 to 14: | ||
* A pH of 7 is neutral. | * A pH of 7 is neutral. | ||
* A pH below 7 is acidic. | * A pH below 7 is acidic. | ||
* A pH above 7 is basic | * A pH above 7 is basic. | ||
The pH scale is logarithmic, which means for every whole unit of change, it | The pH scale is logarithmic, which means for every whole unit of change, it is ten times different than the prior value. | ||
Examples: | Examples: | ||
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* A pH of 4 is is 100 times more acidic than a pH of 6. | * A pH of 4 is is 100 times more acidic than a pH of 6. | ||
The ideal range of pH | The ideal range of pH is targeted to be 7.4 to 7.6. A common myth is that this is very close to the pH of the human eye, often cited as having a pH of 7.5. However, this [https://www.ncbi.nlm.nih.gov/pubmed/7469869 isn't quite the case]. | ||
=== Testing === | === Testing === | ||