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Digital pH meter

Digital pH meter

C026/8480

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Digital pH meter. The pH of a solution is a measure of acidity and alkalinity; it is defined as the inverse logarithm of the hydrogen ion concentration. The scale runs from 0 to 14, with pure water considered neutral at pH 7. Low numbers indicate acids, high numbers indicate alkalis.

Release details

Model release not required. Property release not required.

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