Difference between revisions of "Potassium sodium tartrate"
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| − | Potassium | + | '''Potassium sodium tartrate''' ('''tetrahydrate'''), more commonly known as '''Rochelle Salt''', is a double salt of tartaric acid first prepared (around 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. |
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===Relevant Sciencemadness threads=== | ===Relevant Sciencemadness threads=== | ||
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| + | [[Category:Potassium compounds]] | ||
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Revision as of 15:53, 7 February 2016
| Names | |
|---|---|
| IUPAC name
Sodium potassium L(+)-tartrate tetrahydrate
| |
| Other names
Rochelle Salt
Seignette Salt | |
| Properties | |
| KNaC4H4O6·4H2O | |
| Appearance | large colorless monoclinic needles |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Potassium sodium tartrate (tetrahydrate), more commonly known as Rochelle Salt, is a double salt of tartaric acid first prepared (around 1675) by an apothecary, Pierre Seignette, of La Rochelle, France.
Contents
Properties
Chemical
Physical
Uses
- Potassium Sodium Tartrate is used in the preparation of Biuret reagent.
- Potassium Sodium Tartrate is used in the the preparation of Fehling's Solution
- Potassium Sodium Tartrate is used in "crystal" microphones.
- Potassium Sodium Tartrate is used as an alkaline buffer.
- Potassium Sodium Tartrate has been used as a laxative.
Availability
Potassium Sodium Tartrate is readily available on EBay.
Preparation
Delete this section if not applicable
Projects
Handling
Safety
Storage
Potassium Sodium Tartrate is very deliquescent and should be stored in a sealed container.
