Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/PH> ?p ?o }
- PH abstract "In chemistry, pH (/piːˈeɪtʃ/) is a numeric scale used to specify the acidity or alkalinity of an aqueous solution. It is the negative of the logarithm to base 10 of the activity of the hydrogen ion. Solutions with a pH less than 7 are acidic and solutions with a pH greater than 7 are alkaline or basic. Pure water is neutral, being neither an acid nor a base. Contrary to popular belief, the pH value can be less than 0 or greater than 14 for very strong acids and bases respectively.pH measurements are important in medicine, biology, chemistry, agriculture, forestry, food science, environmental science, oceanography, civil engineering, chemical engineering, nutrition, water treatment & water purification, and many other applications. The pH scale is traceable to a set of standard solutions whose pH is established by international agreement.Primary pH standard values are determined using a concentration cell with transference, by measuring the potential difference between a hydrogen electrode and a standard electrode such as the silver chloride electrode.The pH of aqueous solutions can be measured with a glass electrode and a pH meter, or indicator.pH is the negative of the logarithm to base 10 of the activity of the (solvated) hydronium ion, more often (albeit somewhat inaccurately) expressed as the measure of the hydronium ion concentration.The rest of this article uses the technically correct word "base" and its inflections in place of "alkaline", which specifically refers to a base dissolved in water, and its inflections.".
- PH thumbnail Lemon.jpg?width=300.
- PH wikiPageExternalLink aa012803a.htm.
- PH wikiPageExternalLink www.aqion.onl.
- PH wikiPageExternalLink c1xacid2.pdf.
- PH wikiPageExternalLink food-ph-d_403.html.
- PH wikiPageExternalLink ph.html.
- PH wikiPageID "24530".
- PH wikiPageLength "33764".
- PH wikiPageOutDegree "186".
- PH wikiPageRevisionID "683149586".
- PH wikiPageWikiLink Acid.
- PH wikiPageWikiLink Acid-base_homeostasis.
- PH wikiPageWikiLink Acid_dissociation_constant.
- PH wikiPageWikiLink Acid_strength.
- PH wikiPageWikiLink Acidity.
- PH wikiPageWikiLink Acidity_function.
- PH wikiPageWikiLink Acidosis.
- PH wikiPageWikiLink Acid–base_homeostasis.
- PH wikiPageWikiLink Activity_(chemistry).
- PH wikiPageWikiLink Adenosine_triphosphate.
- PH wikiPageWikiLink Agriculture.
- PH wikiPageWikiLink Alkali.
- PH wikiPageWikiLink Alkali_soil.
- PH wikiPageWikiLink Alkaline.
- PH wikiPageWikiLink Alkaline_diet.
- PH wikiPageWikiLink Alkaline_soils.
- PH wikiPageWikiLink Alkalinity.
- PH wikiPageWikiLink Alkalosis.
- PH wikiPageWikiLink Amphoteric.
- PH wikiPageWikiLink Amphoterism.
- PH wikiPageWikiLink Analytical_concentration.
- PH wikiPageWikiLink Anthocyanin.
- PH wikiPageWikiLink Aqueous_solution.
- PH wikiPageWikiLink Arterial_blood_gas.
- PH wikiPageWikiLink Artificial_seawater.
- PH wikiPageWikiLink Base_(chemistry).
- PH wikiPageWikiLink Benzoic_acid.
- PH wikiPageWikiLink Biological_pigment.
- PH wikiPageWikiLink Biology.
- PH wikiPageWikiLink Blood.
- PH wikiPageWikiLink Body_fluid.
- PH wikiPageWikiLink Buffer_solution.
- PH wikiPageWikiLink Carbon_cycle.
- PH wikiPageWikiLink Carbon_dioxide.
- PH wikiPageWikiLink Carbon_dioxide_emission.
- PH wikiPageWikiLink Carbonate.
- PH wikiPageWikiLink Carbonic_acid.
- PH wikiPageWikiLink Carboxylic_acid.
- PH wikiPageWikiLink Carlsberg_Laboratory.
- PH wikiPageWikiLink Category:Acid–base_chemistry.
- PH wikiPageWikiLink Category:Equilibrium_chemistry.
- PH wikiPageWikiLink Category:Logarithmic_scales_of_measurement.
- PH wikiPageWikiLink Category:Units_of_measurement.
- PH wikiPageWikiLink Category:Water_quality_indicators.
- PH wikiPageWikiLink Cerebrospinal_fluid.
- PH wikiPageWikiLink Chemical_engineering.
- PH wikiPageWikiLink Chemical_equilibrium.
- PH wikiPageWikiLink Chemical_oceanography.
- PH wikiPageWikiLink Chemical_potential.
- PH wikiPageWikiLink Chemical_property.
- PH wikiPageWikiLink Chemist.
- PH wikiPageWikiLink Chemistry.
- PH wikiPageWikiLink Chromaffin_cell.
- PH wikiPageWikiLink Citric_acid.
- PH wikiPageWikiLink Citrus.
- PH wikiPageWikiLink Civil_engineering.
- PH wikiPageWikiLink Cologarithm.
- PH wikiPageWikiLink Colorimeter_(chemistry).
- PH wikiPageWikiLink Concentration.
- PH wikiPageWikiLink Concentration_(chemistry).
- PH wikiPageWikiLink Conservation_of_mass.
- PH wikiPageWikiLink Cubic_equation.
- PH wikiPageWikiLink Cubic_function.
- PH wikiPageWikiLink Cytosol.
- PH wikiPageWikiLink Danes.
- PH wikiPageWikiLink Danish_people.
- PH wikiPageWikiLink Denaturation_(biochemistry).
- PH wikiPageWikiLink Dental_caries.
- PH wikiPageWikiLink Dental_plaque.
- PH wikiPageWikiLink Determination_of_equilibrium_constants.
- PH wikiPageWikiLink Dimensionless_quantity.
- PH wikiPageWikiLink Environmental_science.
- PH wikiPageWikiLink Enzyme.
- PH wikiPageWikiLink Exponentiation.
- PH wikiPageWikiLink Faraday_constant.
- PH wikiPageWikiLink Fluoride.
- PH wikiPageWikiLink Food_science.
- PH wikiPageWikiLink Forestry.
- PH wikiPageWikiLink French_language.
- PH wikiPageWikiLink Galvanic_cell.
- PH wikiPageWikiLink Gas_constant.
- PH wikiPageWikiLink Gastric_acid.
- PH wikiPageWikiLink German_language.
- PH wikiPageWikiLink Glass_electrode.
- PH wikiPageWikiLink Gran_plot.
- PH wikiPageWikiLink Greenhouse_gas.
- PH wikiPageWikiLink Hammett_acidity_function.
- PH wikiPageWikiLink Hemoglobin.
- PH wikiPageWikiLink Hibiscus.