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Hydrogen-Ion Concentration MeSH Descriptor Data 2025


MeSH Heading
Hydrogen-Ion Concentration
Tree Number(s)
G02.300
Unique ID
D006863
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006863
Annotation
usually NIM
Scope Note
The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Entry Term(s)
pH
See Also
Buffers
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2016/06/23
Hydrogen-Ion Concentration Preferred
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