PH

pH

• ペーハー，ピーエイチ（水素イオン指数）（日本語）
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Definition

Glossary of "Life (9th ed.)" by Sadava et al. (2011)

• The negative logarithm of the hydrogen ion concentration; a measure of the acidity of a solution. A solution with pH = 7 is said to be neutral; pH values higher than 7 characterize basic solutions, while acidic solutions have pH values less than 7.

文献（引用）

• Sadava, D., Hillis, D. M., Heller, H. C. & Berenbaum, M. R. 2011. Life: The Science of Biology, 9th ed. -xliv + 1266 pp. Sinauer Associates, Inc., Sunderland.

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