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- Potassium_sodium_tartrate abstract "Potassium sodium tartrate is a double salt first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. As a result the salt was known as Seignette's salt or Rochelle salt.Rochelle salt is not to be confused with rock salt, which is simply the mineral form of sodium chloride. Potassium sodium tartrate and monopotassium phosphate were the first materials discovered to exhibit piezoelectricity. This property led to its extensive use in "crystal" gramophone (phono) pick-ups, microphones and earpieces during the post-War consumer electronics boom of the mid-20th Century. Such transducers had an exceptionally high output with typical pick-up cartridge outputs as much as 2 volts or more. Rochelle salt is deliquescent so any transducers based on the material deteriorated if stored in damp conditions.It is a colorless to blue-white salt crystallizing in the orthorhombic system. Its molecular formula is KNaC4H4O6·4H2O. It is slightly soluble in alcohol but more completely soluble in water. It has a specific gravity of about 1.79, a melting point of approximately 75 °C, and has a saline, cooling taste. As a food additive, its E number is E337.It has been used medicinally as a laxative. It has also been used in the process of silvering mirrors. It is an ingredient of Fehling's solution and Nylander's test, formerly used in the determination of reducing sugars in solutions.In organic synthesis, it is used in aqueous workups to break up emulsions, particularly for reactions in which an aluminium-based hydride reagent was used.It is a common precipitant in protein crystallography and is also an ingredient in the Biuret reagent which is used to measure protein concentration. This ingredient maintains cupric ions in solution at an alkaline pH.".
- Potassium_sodium_tartrate iupacName "Potassium sodium tartrate".
- Potassium_sodium_tartrate thumbnail K-Na-L-(+)-tartrate.png?width=300.
- Potassium_sodium_tartrate wikiPageID "357565".
- Potassium_sodium_tartrate wikiPageRevisionID "602983174".
- Potassium_sodium_tartrate hasPhotoCollection Potassium_sodium_tartrate.
- Potassium_sodium_tartrate imagefile "K-Na-L--tartrate.png".
- Potassium_sodium_tartrate imagefile "Potassium-sodium-tartrate-tetrahydrate-xtal-3D-SF.png".
- Potassium_sodium_tartrate imagename "Skeletal formula of potassium sodium tartrate".
- Potassium_sodium_tartrate imagename "Space-filling model of part of the crystal structure of potassium sodium tartrate".
- Potassium_sodium_tartrate iupacname "Potassium sodium tartrate".
- Potassium_sodium_tartrate name "Potassium sodium tartrate".
- Potassium_sodium_tartrate othernames "E337".
- Potassium_sodium_tartrate verifiedrevid "464212547".
- Potassium_sodium_tartrate subject Category:Ferroelectric_materials.
- Potassium_sodium_tartrate subject Category:Food_acidity_regulators.
- Potassium_sodium_tartrate subject Category:Food_antioxidants.
- Potassium_sodium_tartrate subject Category:Piezoelectric_materials.
- Potassium_sodium_tartrate subject Category:Potassium_compounds.
- Potassium_sodium_tartrate subject Category:Sodium_compounds.
- Potassium_sodium_tartrate subject Category:Tartrates.
- Potassium_sodium_tartrate type ChemicalCompound.
- Potassium_sodium_tartrate type ChemicalSubstance.
- Potassium_sodium_tartrate type ChemicalSubstanceType.
- Potassium_sodium_tartrate type ChemicalObject.
- Potassium_sodium_tartrate type Thing.
- Potassium_sodium_tartrate comment "Potassium sodium tartrate is a double salt first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. As a result the salt was known as Seignette's salt or Rochelle salt.Rochelle salt is not to be confused with rock salt, which is simply the mineral form of sodium chloride. Potassium sodium tartrate and monopotassium phosphate were the first materials discovered to exhibit piezoelectricity.".
- Potassium_sodium_tartrate label "Kaliumnatriumtartraat".
- Potassium_sodium_tartrate label "Potassium sodium tartrate".
- Potassium_sodium_tartrate label "Sal de Seignette".
- Potassium_sodium_tartrate label "Seignettesalz".
- Potassium_sodium_tartrate label "Sel de Seignette".
- Potassium_sodium_tartrate label "Tartarato de sódio e potássio".
- Potassium_sodium_tartrate label "Tartrato di sodio e potassio".
- Potassium_sodium_tartrate label "Winian sodowo-potasowy".
- Potassium_sodium_tartrate label "Сегнетова соль".
- Potassium_sodium_tartrate label "طرطرات الصوديوم والبوتاسيوم".
- Potassium_sodium_tartrate label "酒石酸カリウムナトリウム".
- Potassium_sodium_tartrate label "酒石酸钾钠".
- Potassium_sodium_tartrate sameAs Vinan_sodno-draselný.
- Potassium_sodium_tartrate sameAs Seignettesalz.
- Potassium_sodium_tartrate sameAs Sal_de_Seignette.
- Potassium_sodium_tartrate sameAs Sel_de_Seignette.
- Potassium_sodium_tartrate sameAs Tartrato_di_sodio_e_potassio.
- Potassium_sodium_tartrate sameAs 酒石酸カリウムナトリウム.
- Potassium_sodium_tartrate sameAs Kaliumnatriumtartraat.
- Potassium_sodium_tartrate sameAs Winian_sodowo-potasowy.
- Potassium_sodium_tartrate sameAs Tartarato_de_sódio_e_potássio.
- Potassium_sodium_tartrate sameAs m.01_1v6.
- Potassium_sodium_tartrate sameAs Q303489.
- Potassium_sodium_tartrate sameAs Q303489.
- Potassium_sodium_tartrate wasDerivedFrom Potassium_sodium_tartrate?oldid=602983174.
- Potassium_sodium_tartrate depiction K-Na-L-(+)-tartrate.png.
- Potassium_sodium_tartrate isPrimaryTopicOf Potassium_sodium_tartrate.
- Potassium_sodium_tartrate name "Potassium sodium tartrate".