Difference between revisions of "Ceresin wax"
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== Description == | == Description == | ||
| − | A white or slightly yellowish [ | + | A white or slightly yellowish [[mineral wax]] prepared from purified and decolorized [[ozocerite]]. Ceresin is refined by treating powdered ozocerite with concentrated [[sulfuric acid]] then filtering through animal [[charcoal]]. The resultant wax is similar to [[paraffin wax|paraffin]], but is harder and has a higher melting point. Ceresin is composed of a wide range of long chain saturated hydrocarbons ranging from C20 to C32. Ceresin is used for candles, textile and paper sizing, floor polish, waterproofing, shoe polishes, and leather coating. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 19:20, 12 January 2014
Description
A white or slightly yellowish Mineral wax prepared from purified and decolorized Ozocerite. Ceresin is refined by treating powdered ozocerite with concentrated Sulfuric acid then filtering through animal Charcoal. The resultant wax is similar to paraffin, but is harder and has a higher melting point. Ceresin is composed of a wide range of long chain saturated hydrocarbons ranging from C20 to C32. Ceresin is used for candles, textile and paper sizing, floor polish, waterproofing, shoe polishes, and leather coating.
Synonyms and Related Terms
"cérésine (Fr.); ceresina (Esp., It.); purified ozocerite; earth wax; mineral wax; cerosin; ceresine
Other Properties
Soluble in ethanol, benzene, chloroform, naphtha. Insoluble in water. Unaffected by acids or alkalis.
| Melting Point | 61-78 |
|---|---|
| Density | 0.91-.92 |
Hazards and Safety
Combustible.
Comparisons
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 568
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2033; mp=61-78 C
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966 Comment: mp=65-80 C
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- E.J.LaBarre, Dictionary and Encyclopedia of Paper and Paper-making, Swets & Zeitlinger, Amsterdam, 1969
- John S. Mills, Raymond White, The Organic Chemistry of Museum Objects, Butterworth Heineman, London, 2nd ed., 1994
- A History of Technology, Charles Singer, E.J. Holmyard, A.R. Hall (eds.), Clarendon Press, Oxford, Volume 1: From Early times to Fall of Ancient Empires, 1954
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Ozokerite (Accessed Feb. 10, 2006)
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000