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Preferred term

ph

Definition

[Henderson's] a measure of the acidity of a solution, the negative log10 of the hydrogen ion concentration. The pH of a neutral solution is 7, that of acid solutions less than 7 and of alkaline solutions greater than 7.

Broader concept

deprecated concept

Note

[controlled by ] Staszewski 08.06.2013

Scope note

US LTER controlled vocabulary

Creator

herbert.schentz@umweltbundesamt.at

URI

http://vocabs.lter-europe.net/EnvThes/USLterCV_410

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Created 3/31/16, last modified 6/18/18

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ph