Hydrogen-Ion Concentration [koncentrace vodíkových iontů]

topical
1 609
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 81
G02 Chemical Phenomena 309
G02.010 Absorption 273
G02.020 Adsorption 407
G02.035 Air Ionization 73
G02.050 Anisotropy 91
G02.111 Biochemical Phenomena 370
G02.130 Catalysis 310
G02.149 Chemical Processes obsolete
G02.159 Chemical Precipitation 123
G02.165 Corrosion 97
G02.171 Crystallization 189
G02.176 Desiccation 52
G02.186 Dialysis 773
G02.196 Diffusion 136
G02.206 Dimerization 102
G02.211 Drug Liberation 167
G02.216 Energy Transfer 323
G02.225 Evolution, Chemical 15
G02.263 Filtration 324
G02.282 Hydrogen Bonding 180
G02.300 Hydrogen-Ion Concentration 1 609
G02.300.176 Acid-Base Equilibrium 446
G02.300.500 Isoelectric Point 27
G02.380 Hydrolysis 292
G02.409 Hydrophobic and Hydrophilic Interactions 341
G02.437 Ion Exchange 181
G02.466 Molecular Structure 1 350
G02.494 Molecular Weight 290
G02.551 Neutron Diffraction 9
G02.607 Organic Chemistry Phenomena 10
G02.640 Osmolar Concentration 294
G02.691 Osmosis 77
G02.700 Oxidation-Reduction 1 050
G02.712 Particle Size 398
G02.723 Permeability 312
G02.734 Phase Transition 32
G02.740 Photochemical Processes 50
G02.750 Polymerization 88
G02.765 Proton-Motive Force 10
G02.785 Pyrolysis 6
G02.805 Solubility 494
G02.819 Specific Gravity 5
G02.833 Spontaneous Combustion 4
G02.842 Physicochemical Phenomena obsolete
G02.860 Surface Properties 505
G02.930 Viscosity 192
G02.965 X-Ray Diffraction 167
G03 Metabolism 1 203
G03 Metabolic Phenomena obsolete
G04 Cell Physiological Phenomena 515
G05 Genetic Phenomena 135
G06 Microbiological Phenomena 96
G07 Physiological Phenomena 176
G08 Reproductive and Urinary Physiological Phenomena 18
G09 Circulatory and Respiratory Physiological Phenomena 93
G10 Digestive System and Oral Physiological Phenomena 5
G11 Musculoskeletal and Neural Physiological Phenomena 17
G12 Immune System Phenomena 251
G13 Integumentary System Physiological Phenomena 14
G14 Ocular Physiological Phenomena 149
G15 Plant Physiological Phenomena 158
G16 Biological Phenomena 130
G17 Mathematical Concepts 66

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