Is the Potassium Sodium Salt of Tartaric Acid. On the other hand, its performance has a rather large temperature dependence. Molecular Formula. It has a large piezometric effect which makes it widely useful in sensitive vibrational and acoustic devices. Rochelle salt, also called Sodium Potassium Tartrate Tetrahydrate, a crystalline solid having a large piezoelectric effect (electric charge induced on its surfaces by mechanical deformation due to pressure, twisting, or bending), making it useful in sensitive acoustical and vibrational devices. QH257BPV3J. Find more similar words at wordhippo.com! Rochelle salt definition, a colorless or white, water-soluble solid, KNaC4H4O6⋅4H2O, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative. Next we turn the potassium bitartrate (cream of tartar) and the sodium carbonate into potassium sodium tartrate (Rochelle salt, NaKC 4 H 4 O 6). New Customer? Hypernyms ("Rochelle salt" is a kind of...): double salt (a solution of two simple salts that forms a single substance on crystallization) n a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Rochelle salt. it has a cooling, saline, slightly bitter taste and is employed as a mild purgative. What does Rochelle salt mean? chelle salts n. See potassium sodium tartrate. Basically that means a crystal of the salt generates electricity when it is squeezed. Alternatively, it can be prepared from the cream of tartar (unfortunately, it is not sold in my country, so I ordered some on eBay), and baking soda (NaHCO 3). Step-by-step video on how to make Rochelle salt crystals or piezoelectric crystals for doing piezoelectricity experiments or hacks for science fairs or fun. Rochelle salt, also known as POTASSIUM SODIUM TARTRATE, is a white crystalline powder or colourless crystal, which is obtained by treating the natural raw tartaric material. It is a colourless to white crystalline powder with a cool and saline taste. Rochelle is a city in Ogle County, Illinois. Synonyms. This property led to its extensive use in "crystal" gramophone (phono) pick-ups, microphones and earpieces during the post-World War II consumer electronics boom of the mid-20th Century. 6381-59-5. Potassium sodium tartrate tetrahydrate, also known as Rochelle salt, is a double salt of tartaric acid first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. It was discovered by Seignette, an apothecary of Rochelle, and is called also Seignete's salt. To determine the appropriate concentration of the catalyst, pH 4--7) the lack of excess cyanide may demand the addition of. 4H 2 O. Rochelle Salt comes from a natural crystalline acid deposited on the inside of the wine barrels at the cellars. Step 1. rochelle salt n : a double salt used in seidlitz powder; acts as a cathartic [syn: rochelle salt, rochelle salts] rochelle salt (chem. Our Rochelle Salt is manufactured in a completely automatic unit plant. a mild saline cathartic, used as an ingredient in compound effervescent powders. As shown in the photo below, put at most 200 grams (7 oz) of cream of tartar into 250 milliliter (one cup) of water. HACH US Chemistries CLAROS 800-227-4224. Detailed information related to Rochelle Salt's uses, side-effects, reviews, questions, interactions, and precautions is as follows: Uses Please consult your physician or pharmacist or product package for this information. Such transducershad … Rochelle potassium sodium tartrate. 4H2O], and has Curie temperatures at –18°C and 24°C with a narrow operating range of temperature for ferroelectricity, leading to high electromechanical coupling at 24°C. So the tartrate part of Rochelle salt is the key reactant. Rochelle salt definition: a white crystalline double salt , sodium potassium tartrate , used in Seidlitz powder .... | Meaning, pronunciation, translations and examples Rochelle is approximately 80 miles (130 km) west of Chicago and 25 miles (40 km) south of Rockford History. Rochelle salt or potassium sodium tartrate is an interesting chemical that is used to grow large single crystals, which are attractive and interesting, but also may be used as transducers in microphones and gramophone pickups. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. it was discovered by seignette, an apothecary of rochelle, and is called also seignete's salt.. Login. Express Order. If that doesn’t seem fascinating to you then you might have come to the wrong place. ), the double tartrate of sodium and potassium, a white crystalline substance. rochelle salt n : a double salt used in seidlitz powder; acts as a cathartic [syn: rochelle salt, rochelle salts] rochelle salt (chem. C4H4O6KNa·4H2O or C4H12KNaO10. Potassium sodium tartrate and monopotassium phosphate were the first materials discovered to exhibit piezoelectricity. For Rochelle salt, whose chemical instability (loss of crystallization water at slightly elevated temperatures) and water absorbency are well known, other factors such as air humidity, storage conditions, etc are important and should be monitored during measurements. Rochelle salt See under Rochelle. A synonym for Rochelle salt is Seignette salt. Rochelle Salt The Salt of Many Virtues One of the most interesting things about Rochelle salt is its piezoelectric properties. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. https://medical-dictionary.thefreedictionary.com/Rochelle+salt. A. Rochelle salt is potassium sodium tartrate. The population was 9,574 at the 2010 census, up from 9,424 at the 2000 census. It is one of the components of Fehling’s liquor that is used to test the reducing power of sugars. (Technology Update), Piezoelectric ceramic drives automobile innovation, Rochefort, Victor Henri, marquis de Rochefort-Luçay, Rochers de la "Fortune" (Île de la Possession), Rochers des Moines (Île de la Possession). Rochelle salt Potassium sodium tartrate, a colorless, transparent powder having a cooling and saline taste and formerly used as a saline cathartic. I do not know a source of BP standard, but it is widely available from chemical supply houses; however, I would not suggest using this source as a medicine as it is almost certainly not BP standard. It is also known as Rochelle salt or Potassium sodium tartrate. rochelle-salt | definition: a double salt used in Seidlitz powder; acts as a cathartic | synonyms: potassium sodium tartrate, double salt, Rochelle salts Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Information and translations of Rochelle salt in the most comprehensive dictionary definitions resource on the web. It has a pH value of 6.5 – 8.5. Definition of ROCHELLE SALT • Dictionary meaning of Rochelle salt • Words with similar meaning as Rochelle salt Rochelle salt is sold in chemical shops. The chemical is used as a … See also: salt Turn the ingredients into Rochelle salt. All Free. it was discovered by seignette, an apothecary of rochelle, and is called also seignete's salt.. Rochelle Salt Solution, 500 mL. Rochelle salt It is a water-soluble and slightly alcohol- soluble salt that has the property of double refraction (like Iceland spar). It was discovered in 1672 by Pierre Seignette, born in La Rochelle (France). This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Order Status Contact Us Login. Meaning of Rochelle salt. Potassium Sodium Tartrate is commonly called Rochelle Salt or Seignette Salt. https://www.thefreedictionary.com/Rochelle+salt, (Pharmacology) a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Cart 0 / Quote 0. ), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative.

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