Difference between revisions of "Lead glaze"
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| − | [[File:20.790-SC60956.jpg|thumb|]] | + | [[File:20.790-SC60956.jpg|thumb|Lead-glazed porcelain<br>MFA# 20.790]] |
== Description == | == Description == | ||
| + | [[File:52.1546-CR5861-d1.jpg|thumb|Marblelized stoneware<br>MFA# 52.1546]] | ||
| + | A simple, low firing glaze used on soft paste ceramics. Lead glazes may be sprinkled or thinly painted on a clay body. Lead glazes are used on clay that can be fired below its volatilization temperature of about 1150C. Lead glazes produce a lustrous, opaque surface, but they are no longer in common use because of the potential for lead poisoning. Examples of lead salts used as glazes are: lead antimonate ([[Naples_yellow|Naples yellow]]), [[lead_carbonate, basic|basic lead carbonate]], [[lead_chromate|lead chromate]], [[lead_oxide|lead oxide]], [[lead_silicate|lead silicate]], and [[lead_sulfate|lead sulfate]]. | ||
| − | + | [[File:60.8-SC39357.jpg|thumb|Lead-glazed earthenware<br>MFA# 60.8]] | |
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Risks == | == Risks == | ||
| − | Toxic by inhalation or ingestion. Skin contact may cause irritation or ulcers.Carcinogen, teratogen, suspected mutagen. | + | * Toxic by inhalation or ingestion. |
| − | + | * Skin contact may cause irritation or ulcers. | |
| − | + | * Carcinogen, teratogen, suspected mutagen. | |
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== Resources and Citations == | == Resources and Citations == | ||
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* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | ||
| − | * Art and Architecture Thesaurus Online, | + | * Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 09:11, 7 October 2022
Description
A simple, low firing glaze used on soft paste ceramics. Lead glazes may be sprinkled or thinly painted on a clay body. Lead glazes are used on clay that can be fired below its volatilization temperature of about 1150C. Lead glazes produce a lustrous, opaque surface, but they are no longer in common use because of the potential for lead poisoning. Examples of lead salts used as glazes are: lead antimonate (Naples yellow), basic lead carbonate, Lead chromate, Lead oxide, Lead silicate, and Lead sulfate.
Synonyms and Related Terms
glaure au plomb (Fr.); loodglazuur (Ned.); vidrado de chumbo (Port.)
Risks
- Toxic by inhalation or ingestion.
- Skin contact may cause irritation or ulcers.
- Carcinogen, teratogen, suspected mutagen.
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 445
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000