Hydrogen-Ion Concentration [koncentrace vodíkových iontů]

topical
1 597
Terms

hodnota pH
pondus hydrogenia
vodíkové ionty - koncentrace
vodíkový exponent

 

pH

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Definition

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)

Annotation
usually NIM
DUI
D006863 MeSH Browser
CUI
M0010722

Allowable subheadings

DE
drug effects 17
RE
radiation effects 1

G Phenomena and Processes
G01 Physical Phenomena 75
G02 Chemical Phenomena 307
G02.010 Absorption 273
G02.020 Adsorption 406
G02.035 Air Ionization 73
G02.050 Anisotropy 88
G02.111 Biochemical Phenomena 370
G02.130 Catalysis 307
G02.149 Chemical Processes obsolete
G02.159 Chemical Precipitation 122
G02.165 Corrosion 97
G02.171 Crystallization 186
G02.176 Desiccation 51
G02.186 Dialysis 772
G02.196 Diffusion 134
G02.206 Dimerization 101
G02.211 Drug Liberation 154
G02.216 Energy Transfer 322
G02.225 Evolution, Chemical 15
G02.263 Filtration 323
G02.282 Hydrogen Bonding 175
G02.300 Hydrogen-Ion Concentration 1 597
G02.300.176 Acid-Base Equilibrium 443
G02.300.500 Isoelectric Point 27
G02.380 Hydrolysis 291
G02.409 Hydrophobic and Hydrophilic Interactions 336
G02.437 Ion Exchange 181
G02.466 Molecular Structure 1 313
G02.494 Molecular Weight 288
G02.551 Neutron Diffraction 9
G02.607 Organic Chemistry Phenomena 10
G02.640 Osmolar Concentration 294
G02.691 Osmosis 77
G02.700 Oxidation-Reduction 1 034
G02.712 Particle Size 391
G02.723 Permeability 306
G02.734 Phase Transition 31
G02.740 Photochemical Processes 50
G02.750 Polymerization 86
G02.765 Proton-Motive Force 10
G02.785 Pyrolysis 6
G02.805 Solubility 485
G02.819 Specific Gravity 5
G02.833 Spontaneous Combustion 4
G02.842 Physicochemical Phenomena obsolete
G02.860 Surface Properties 501
G02.930 Viscosity 190
G02.965 X-Ray Diffraction 166
G03 Metabolic Phenomena obsolete
G04 Cell Physiological Phenomena 514
G05 Genetic Phenomena 133
G06 Microbiological Phenomena 95
G07 Physiological Phenomena 175
G08 Reproductive and Urinary Physiological Phenomena 18
G09 Circulatory and Respiratory Physiological Phenomena 94
G10 Digestive System and Oral Physiological Phenomena 4
G11 Musculoskeletal and Neural Physiological Phenomena 16
G12 Immune System Phenomena 248
G13 Integumentary System Physiological Phenomena 14
G14 Ocular Physiological Phenomena 147
G15 Plant Physiological Phenomena 158
G16 Biological Phenomena 129
G17 Mathematical Concepts 66

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