Difference between revisions of "Soda glass"
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== Description == | == Description == | ||
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common glass; soda lime glass; soda-lime glass; soda-lime-silica glass; verre sodique (Fr.); vidro sódico (Port.); standard window glass; Corning 0081; alkali glass | common glass; soda lime glass; soda-lime glass; soda-lime-silica glass; verre sodique (Fr.); vidro sódico (Port.); standard window glass; Corning 0081; alkali glass | ||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 695 (softens) | + | | 695 C (softens) |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.47 | + | | 2.47 g.ml |
|- | |- | ||
! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
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|} | |} | ||
| − | == | + | ==Resources and Citations== |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 361 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 361 | ||
Revision as of 13:49, 31 May 2022
Description
Common name for glass having a high Sodium content. Soda glass has the approximate composition 71-78% SiO2, 12-17% Na2O, 5-15% CaO, and 1-4% other. The soda is added as soda ash (Sodium carbonate), niter (Sodium nitrate) and/or salt cake (Sodium sulfate). The calcium is added as limestone (Calcium carbonate) or burnt lime (Calcium oxide) and the silica is added as sand (Silicone dioxide). Cullet or broken glass, is used as a flux. Soda glass was also called common glass. Common glass often has a green tinge due to Iron impurities in the ingredients.
Synonyms and Related Terms
common glass; soda lime glass; soda-lime glass; soda-lime-silica glass; verre sodique (Fr.); vidro sódico (Port.); standard window glass; Corning 0081; alkali glass
Physical and Chemical Properties
| Melting Point | 695 C (softens) |
|---|---|
| Density | 2.47 g.ml |
| Refractive Index | 1.512 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 361
- 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
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976