Difference between revisions of "Potassium sodium tartrate"
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Rochelle salt; alkaline Rochelle salt; sodium potassium tartrate; Seignette salt; 2,3-dihydroxy-[R-(R*,R*)]-butanedioic acid, monopotassium monosodium salt | Rochelle salt; alkaline Rochelle salt; sodium potassium tartrate; Seignette salt; 2,3-dihydroxy-[R-(R*,R*)]-butanedioic acid, monopotassium monosodium salt | ||
| + | ==Risks== | ||
| + | * IntegraChem: [https://www.integrachem.com/msds/P806_26234_101.pdf SDS] | ||
| − | == | + | ==Physical and Chemical Properties== |
Soluble in water. Insoluble in ethanol. | Soluble in water. Insoluble in ethanol. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 70-80 | + | | 70-80 C |
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.77 | + | | 1.77 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==Resources and Citations== |
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
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* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985 | * Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985 | ||
| − | * | + | * Termlist for conservation - www.hants.org.uk/museums |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:38, 25 August 2022
Description
Colorless crystals that is also called Rochelle salts. Potassium sodium tartrate is used in baking powders and in the manufacture of silver mirrors. The complex organic salt has also been used to remove corrosion from bronzes (Lucas 1932).
Synonyms and Related Terms
Rochelle salt; alkaline Rochelle salt; sodium potassium tartrate; Seignette salt; 2,3-dihydroxy-[R-(R*,R*)]-butanedioic acid, monopotassium monosodium salt
Risks
- IntegraChem: SDS
Physical and Chemical Properties
Soluble in water. Insoluble in ethanol.
| Composition | KNaC4H4O6 - 4H2O |
|---|---|
| CAS | 304-59-6 |
| Melting Point | 70-80 C |
| Density | 1.77 g/ml |
| Molecular Weight | mol. wt. = 210.16 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 68
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- Termlist for conservation - www.hants.org.uk/museums