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| + | [[File:SC195707 MFA19742.jpg|thumb|Silk aba<br>MFA 19.742]] |
| == Description == | | == Description == |
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− | A colorless crystalline compound that was used in the 19th and early 20th centuries as an antiseptic, wood preservative, rat poison, [[insecticide|insecticide]], and fungicide (for paper and books). Mercuric chloride was also used as an intensifier in photography, for tanning leather, for separating gold from lead, and as a paint preservative. It can react with sulfur causing black stains on paper and specimens. Mercuric chloride is highly toxic and its use is currently restricted in the United States.
| + | 1) An undyed, felted wool fabric made in Hungary or Bulgaria. |
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− | == Synonyms and Related Terms ==
| + | 2) A coarse fabric made from the hair of camels, goats, or sheep. A loose-fitting, traditional Arab garment, also known by the same name, is woven from fabric. |
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− | mercury chloride; mercury bichloride; corrosive sublimate; mercury perchloride; corrosive sublimate; mercury (II) chloride
| + | ==Resources and Citations== |
− | == Risks == | |
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− | Violent poison, can be fatal in minutes with ingestion of 0.5 grams. Toxic by ingestion, and inhalation. Corrosive to eyes, skin and lungs. Biohazard.
| + | * Wikipedia: http://en.wiktionary.org/wiki/Aba (Accessed Sept 2, 2004) |
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− | Egg white is used as an antidote.
| + | * ''Fairchild's Dictionary of Textiles'', Phyllis G.Tortora, Robert S. Merkel (eds.), Fairchild Publications, New York City, 7th edition, 1996 |
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− | ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC201430250&productDescription=MERCURY%28II%29CHLORIDE%2C+P.+25GRM&vendorId=VN00032119&countryCode=US&language=en SDS]
| + | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 |
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− | == Physical and Chemical Properties ==
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− | Soluble in water, ethanol, ether, methanol, acetone, ethyl acetate, glycerol, and acetic acid. Slightly soluble in carbon disulfide, benzene, and pyridine. Incompatible with alkalis, metals and proteins.
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− | {| class="wikitable"
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− | |-
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− | ! scope="row"| Composition
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− | | HgCl2
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− | |-
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− | ! scope="row"| CAS
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− | | 7487-94-7
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− | |-
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− | ! scope="row"| Melting Point
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− | | 276-277
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− | |-
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− | ! scope="row"| Density
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− | | 5.4
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− | |-
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− | ! scope="row"| Molecular Weight
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− | | mol. wt. = 271.52
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− | |-
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− | ! scope="row"| Refractive Index
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− | | 1.725, 1.859, 1.965
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− | |-
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− | ! scope="row"| Boiling Point
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− | | 302
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− | |}
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− | = Resources and Citations ==
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− | * C.Hawks, D.Bell, "Removal of Stains Caused by Mercuric Chloride Treatments from Herbarium Sheet Labels" in ICOM Preprints, Lyon, 1999. p. 723-727. | |
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− | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 502
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− | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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− | * Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979
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− | * Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982
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− | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5926
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− | * ''CRC Handbook of Chemistry and Physics'', Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.725, 1.859, 1.965
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| [[Category:Materials database]] | | [[Category:Materials database]] |