Potassium sodium tartrate and monopotassium phosphate were the first materials discovered to exhibit piezoelectricity. (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). All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. 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. 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. It is a colourless to white crystalline powder with a cool and saline taste. 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. From: Ultrasonic Transducers, 2012 A synonym for Rochelle salt is Seignette salt. On the other hand, its performance has a rather large temperature dependence. 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. 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. Is the Potassium Sodium Salt of Tartaric Acid. 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. Rochelle Salt Solution, 500 mL. It was discovered in 1672 by Pierre Seignette, born in La Rochelle (France). It has a large piezometric effect which makes it widely useful in sensitive vibrational and acoustic devices. Cart 0 / Quote 0. See also: salt Rochelle salt. It is also called the salt of Pierre Seignette, named after a pharmacist from Rochelle who synthesized it in 1675. 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). Potassium sodium tartrate, a colorless, transparent powder having a cooling and saline taste and formerly used as a saline cathartic. It was discovered by Seignette, an apothecary of Rochelle, and is called also Seignete's salt. Potassium Sodium Tartrate is commonly called Rochelle Salt or Seignette Salt. Definition of Rochelle salt in the Definitions.net dictionary. ), the double tartrate of sodium and potassium, a white crystalline substance. Rochelle salt It is a water-soluble and slightly alcohol- soluble salt that has the property of double refraction (like Iceland spar). 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. 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. Login. HACH US Chemistries CLAROS 800-227-4224. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Information and translations of Rochelle salt in the most comprehensive dictionary definitions resource on the web. Our Rochelle Salt is manufactured in a completely automatic unit plant. Rochelle is a city in Ogle County, Illinois. n a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Meaning of Rochelle salt. Basically that means a crystal of the salt generates electricity when it is squeezed. Piezoelectricity is a property of certain classes of crystalline materials including natural.crystals of Quartz, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Microwave-induced One-pot Synthesis of 2,4,5-trisubstituted Imidazoles Using Rochelle Salt as a Green Novel Catalyst, Anodes for electrodeposition. Find more similar words at wordhippo.com! it was discovered by seignette, an apothecary of rochelle, and is called also seignete's salt.. It has a pH value of 6.5 – 8.5. Rochelle salt See under Rochelle. But these crystals also have important jobs to do: Rochelle salt has been used as a mild laxative, in the process of silvering mirrors, and for its piezoelectric properties. Rochelle Salt comes from a natural crystalline acid deposited on the inside of the wine barrels at the cellars. it has a cooling, saline, slightly bitter taste and is employed as a mild purgative. To determine the appropriate concentration of the catalyst, pH 4--7) the lack of excess cyanide may demand the addition of. The chemical is used as a … It is one of the components of Fehling’s liquor that is used to test the reducing power of sugars. Rochelle Salt The Salt of Many Virtues One of the most interesting things about Rochelle salt is its piezoelectric properties. What does Rochelle salt mean? Rochelle salt - a double salt used in Seidlitz powder; acts as a cathartic potassium sodium tartrate , Rochelle salts double salt - a solution of two simple salts that forms a single substance on crystallization Formula: KNaC4H4O6.4H2O, potassium sodium tartrate: a colorless or white, water-soluble solid, KNaC, Request TOC of this Report- https://www.factmr.com/connectus/sample?flag=T&rep_id=2937 Sodium Potassium Tartrate also is known as, The phenomenon was first discovered in 1880 when Pierre and Jacques Curie demonstrated that when specially prepared crystals (such as quartz, topaz and, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Sodium Potassium Tartrate Market Innovative Trends Implemented by Manufacturers Steering Growth unti, Microwave-induced One-pot Synthesis of 2,4,5-trisubstituted Imidazoles Using Rochelle Salt as a Green Novel Catalyst, Emergence of environmentally friendly piezoelectric material, Rochefort, Victor Henri, marquis de Rochefort-Luçay, Rochers de la "Fortune" (Île de la Possession), Rochers des Moines (Île de la Possession). 6381-59-5. C4H4O6KNa·4H2O or C4H12KNaO10. Rochelle potassium sodium tartrate. Order Status Contact Us Login. Hypernyms ("Rochelle salt" is a kind of...): double salt (a solution of two simple salts that forms a single substance on crystallization) Rochelle salt Potassium sodium tartrate, a colorless, transparent powder having a cooling and saline taste and formerly used as a saline cathartic. https://medical-dictionary.thefreedictionary.com/Rochelle+salt. New Customer? 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. In the case of sodium citrate: the cupric ion (complexed with citrate ions) is reduced to cuprous ion by the aldehyde group (which is oxidized), and precipitates as cuprous oxide, Cu2O. Express Order. A. Rochelle salt is potassium sodium tartrate. Step 1. All Free. rochelle salt n : a double salt used in seidlitz powder; acts as a cathartic [syn: rochelle salt, rochelle salts] rochelle salt (chem. QH257BPV3J. 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). Easy-to-grow Rochelle salt crystals are much larger than table salt and way more fun to look at! chelle salts n. See potassium sodium tartrate. Molecular Formula. Rochelle salt is sold in chemical shops. As shown in the photo below, put at most 200 grams (7 oz) of cream of tartar into 250 milliliter (one cup) of water. Rochelle salt - WordReference English dictionary, questions, discussion and forums. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. 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. Such transducershad … a mild saline cathartic, used as an ingredient in compound effervescent powders. 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. Turn the ingredients into Rochelle salt. It is also known as Rochelle salt or Potassium sodium tartrate. 4H 2 O. UNII-QH257BPV3J. Rochelle salt definition: a white crystalline double salt , sodium potassium tartrate , used in Seidlitz powder .... | Meaning, pronunciation, translations and examples Synonyms. 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. rochelle salt n : a double salt used in seidlitz powder; acts as a cathartic [syn: rochelle salt, rochelle salts] rochelle salt (chem. The population was 9,574 at the 2010 census, up from 9,424 at the 2000 census. 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. Definition of ROCHELLE SALT • Dictionary meaning of Rochelle salt • Words with similar meaning as Rochelle salt 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. it was discovered by seignette, an apothecary of rochelle, and is called also seignete's salt.. 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. Rochelle is approximately 80 miles (130 km) west of Chicago and 25 miles (40 km) south of Rockford History. ; Rochelle salt (Chem) the double tartrate of sodium and potassium, a white crystalline substance. 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