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• Potassium_hydrogen_phthalate abstract "Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. It is not hygroscopic. It is also used as a primary standard for calibrating pH meters because, besides the properties just mentioned, its pH in solution is very stable.In water KHP dissociates completely giving the potassium cation (K+) and hydrogen phthalate anion (HP- or Hphthalate-). As a weak acid hydrogen phthalate reacts reversibly with water to give hydronium (H3O+) and phthalate ions. HP- + H2O P2- + H3O+KHP can be used as a buffering agent (in combination with hydrochloric acid (HCl) or sodium hydroxide (NaOH) depending on which side of pH 4.0 the buffer is to be) but should not be used as a buffer for decarboxylation reactions, as these will degrade the KHP and mop up the conjugation groups.KHP is also a useful standard for total organic carbon (TOC) testing. Most TOC analyzers are based on the oxidation of organics to carbon dioxide and water, with subsequent quantitation of the carbon dioxide. Many TOC analyzers suggest testing their instruments with two standards: one typically easy for the instrument to oxidize (KHP), and one more difficult to oxidize. For the latter, benzoquinone is suggested.".
• Potassium_hydrogen_phthalate iupacName "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate thumbnail Potassium-hydrogen-phthalate-2D-skeletal.png?width=300.
• Potassium_hydrogen_phthalate wikiPageExternalLink C2328.html.
• Potassium_hydrogen_phthalate wikiPageID "4142269".
• Potassium_hydrogen_phthalate wikiPageRevisionID "602113057".
• Potassium_hydrogen_phthalate hasPhotoCollection Potassium_hydrogen_phthalate.
• Potassium_hydrogen_phthalate imagefilel "Potassium-hydrogen-phthalate-2D-skeletal.png".
• Potassium_hydrogen_phthalate imagefiler "Potassium-hydrogen-phthalate-3D-skeletal.png".
• Potassium_hydrogen_phthalate imagename "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate imagenamel "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate imagenamer "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate iupacname "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate othernames "12".
• Potassium_hydrogen_phthalate othernames "KHP; KHPh".
• Potassium_hydrogen_phthalate othernames "hydrogen potassium phthalate;".
• Potassium_hydrogen_phthalate othernames "monopotassium salt;".
• Potassium_hydrogen_phthalate othernames "phthalic acid potassium salt;".
• Potassium_hydrogen_phthalate othernames "potassium acid phthalate;".
• Potassium_hydrogen_phthalate othernames "potassium biphthalate;".
• Potassium_hydrogen_phthalate verifiedrevid "477002550".
• Potassium_hydrogen_phthalate watchedfields "changed".
• Potassium_hydrogen_phthalate subject Category:Carboxylic_acids.
• Potassium_hydrogen_phthalate subject Category:Phthalates.
• Potassium_hydrogen_phthalate type Abstraction100002137.
• Potassium_hydrogen_phthalate type Acid114607521.
• Potassium_hydrogen_phthalate type CarboxylicAcid114739360.
• Potassium_hydrogen_phthalate type CarboxylicAcids.
• Potassium_hydrogen_phthalate type Chemical114806838.
• Potassium_hydrogen_phthalate type Compound114818238.
• Potassium_hydrogen_phthalate type Material114580897.
• Potassium_hydrogen_phthalate type Matter100020827.
• Potassium_hydrogen_phthalate type Part113809207.
• Potassium_hydrogen_phthalate type PhysicalEntity100001930.
• Potassium_hydrogen_phthalate type Relation100031921.
• Potassium_hydrogen_phthalate type Substance100019613.
• Potassium_hydrogen_phthalate type ChemicalCompound.
• Potassium_hydrogen_phthalate type ChemicalSubstance.
• Potassium_hydrogen_phthalate type ChemicalSubstanceType.
• Potassium_hydrogen_phthalate type ChemicalObject.
• Potassium_hydrogen_phthalate type Thing.
• Potassium_hydrogen_phthalate comment "Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. It is not hygroscopic.".
• Potassium_hydrogen_phthalate label "Biftalato di potassio".
• Potassium_hydrogen_phthalate label "Hidrogenoftalato de potasio".
• Potassium_hydrogen_phthalate label "Hidrogenoftalato de potássio".
• Potassium_hydrogen_phthalate label "Kaliumhydrogenphthalat".
• Potassium_hydrogen_phthalate label "Kaliumwaterstofftalaat".
• Potassium_hydrogen_phthalate label "Potassium hydrogen phthalate".
• Potassium_hydrogen_phthalate label "邻苯二甲酸氢钾".
• Potassium_hydrogen_phthalate sameAs Kaliumhydrogenphthalat.
• Potassium_hydrogen_phthalate sameAs Hidrogenoftalato_de_potasio.
• Potassium_hydrogen_phthalate sameAs Biftalato_di_potassio.
• Potassium_hydrogen_phthalate sameAs Kaliumwaterstofftalaat.
• Potassium_hydrogen_phthalate sameAs Hidrogenoftalato_de_potássio.
• Potassium_hydrogen_phthalate sameAs m.0blbn6.
• Potassium_hydrogen_phthalate sameAs Q424699.
• Potassium_hydrogen_phthalate sameAs Q424699.
• Potassium_hydrogen_phthalate sameAs Potassium_hydrogen_phthalate.
• Potassium_hydrogen_phthalate wasDerivedFrom Potassium_hydrogen_phthalate?oldid=602113057.
• Potassium_hydrogen_phthalate depiction Potassium-hydrogen-phthalate-2D-skeletal.png.
• Potassium_hydrogen_phthalate isPrimaryTopicOf Potassium_hydrogen_phthalate.