An Example of Hard-Water Error in Radiocarbon Dating of Vegetable Matter
THE hard-water effect is a recognized source of error in radiocarbon dating. It causes ages to be over-assessed and arises when the material to be dated, such as mollusc shell or plant, synthesizes its skeleton under water and so uses bicarbonate derived in part from old, inert sources. It is usuall...
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| Veröffentlicht in: | Nature (London) 1972-01, Vol.240 (5382), p.460-461 |
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| creator | SHOTTON, F. W |
| description | THE hard-water effect is a recognized source of error in radiocarbon dating. It causes ages to be over-assessed and arises when the material to be dated, such as mollusc shell or plant, synthesizes its skeleton under water and so uses bicarbonate derived in part from old, inert sources. It is usually stated that the maximum possible error is equivalent to the half-life of
14
C, 5,570 yr (Libby scale), but it rarely amounts to as much as this. Moreover, in an isolated dating it is not only impossible to evaluate, but even to know whether there is any over-estimation, but if the sample consists of tree wood, or the leaves, twigs or seeds of wholly terrestrial plants, then it can be assumed that no hard-water error is present. |
| doi_str_mv | 10.1038/240460a0 |
| format | Article |
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14
C, 5,570 yr (Libby scale), but it rarely amounts to as much as this. Moreover, in an isolated dating it is not only impossible to evaluate, but even to know whether there is any over-estimation, but if the sample consists of tree wood, or the leaves, twigs or seeds of wholly terrestrial plants, then it can be assumed that no hard-water error is present.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/240460a0</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>AGE ESTIMATION/errors in radiocarbon, of vegetable matter, hard-water as source of ; CALCIUM CARBONATES ; CARBON 14 ; DENMARK ; ERRORS ; Humanities and Social Sciences ; ISOTOPE DATING ; letter ; multidisciplinary ; N40130 --Chemistry--Analytical & Separations Chemistry-- Radiometric & Radiochemical Procedures ; Science ; Science (multidisciplinary) ; SEDIMENTARY ROCKS ; WATER CARBON ISOTOPES C-14/determination in vegetable matter for dating, hard-water error in</subject><ispartof>Nature (London), 1972-01, Vol.240 (5382), p.460-461</ispartof><rights>Springer Nature Limited 1972</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c309t-ba48ca1f987a160c159f15b981b593a57391128fe97a366baca8fb6beebff1043</citedby><cites>FETCH-LOGICAL-c309t-ba48ca1f987a160c159f15b981b593a57391128fe97a366baca8fb6beebff1043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,885,2727,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/4598367$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>SHOTTON, F. W</creatorcontrib><creatorcontrib>Univ. of Birmingham, Eng</creatorcontrib><title>An Example of Hard-Water Error in Radiocarbon Dating of Vegetable Matter</title><title>Nature (London)</title><addtitle>Nature</addtitle><description>THE hard-water effect is a recognized source of error in radiocarbon dating. It causes ages to be over-assessed and arises when the material to be dated, such as mollusc shell or plant, synthesizes its skeleton under water and so uses bicarbonate derived in part from old, inert sources. It is usually stated that the maximum possible error is equivalent to the half-life of
14
C, 5,570 yr (Libby scale), but it rarely amounts to as much as this. Moreover, in an isolated dating it is not only impossible to evaluate, but even to know whether there is any over-estimation, but if the sample consists of tree wood, or the leaves, twigs or seeds of wholly terrestrial plants, then it can be assumed that no hard-water error is present.</description><subject>AGE ESTIMATION/errors in radiocarbon, of vegetable matter, hard-water as source of</subject><subject>CALCIUM CARBONATES</subject><subject>CARBON 14</subject><subject>DENMARK</subject><subject>ERRORS</subject><subject>Humanities and Social Sciences</subject><subject>ISOTOPE DATING</subject><subject>letter</subject><subject>multidisciplinary</subject><subject>N40130 --Chemistry--Analytical & Separations Chemistry-- Radiometric & Radiochemical Procedures</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>SEDIMENTARY ROCKS</subject><subject>WATER CARBON ISOTOPES C-14/determination in vegetable matter for dating, hard-water error in</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1972</creationdate><recordtype>article</recordtype><recordid>eNpt0M1KAzEUBeAgCtYq-AQyuNLF6E0nk0mWpY5WqAjiz3K4SZM6pU1KkoK-vVNGu3J1N989cA4h5xRuKBTidsSAcUA4IAPKKp4zLqpDMgAYiRxEwY_JSYxLAChpxQZkOnZZ_YXrzcpk3mZTDPP8A5MJWR2CD1nrshect15jUN5ld5hat9jJd7MwCVX39oSp86fkyOIqmrPfOyRv9_XrZJrPnh8eJ-NZrguQKVfIhEZqpaiQctC0lJaWSgqqSllgWRWS0pGwRlZYcK5Qo7CKK2OUtRRYMSSXfa6PqW2ibpPRn9o7Z3RqWCm7ilWHrnqkg48xGNtsQrvG8N1QaHYzNX8zdfS6p7EjbmFCs_Tb4LoK_9mL3jpM22D2oXvwA84Vb7w</recordid><startdate>19720101</startdate><enddate>19720101</enddate><creator>SHOTTON, F. W</creator><general>Nature Publishing Group UK</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19720101</creationdate><title>An Example of Hard-Water Error in Radiocarbon Dating of Vegetable Matter</title><author>SHOTTON, F. W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-ba48ca1f987a160c159f15b981b593a57391128fe97a366baca8fb6beebff1043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1972</creationdate><topic>AGE ESTIMATION/errors in radiocarbon, of vegetable matter, hard-water as source of</topic><topic>CALCIUM CARBONATES</topic><topic>CARBON 14</topic><topic>DENMARK</topic><topic>ERRORS</topic><topic>Humanities and Social Sciences</topic><topic>ISOTOPE DATING</topic><topic>letter</topic><topic>multidisciplinary</topic><topic>N40130 --Chemistry--Analytical & Separations Chemistry-- Radiometric & Radiochemical Procedures</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>SEDIMENTARY ROCKS</topic><topic>WATER CARBON ISOTOPES C-14/determination in vegetable matter for dating, hard-water error in</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SHOTTON, F. W</creatorcontrib><creatorcontrib>Univ. of Birmingham, Eng</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SHOTTON, F. W</au><aucorp>Univ. of Birmingham, Eng</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Example of Hard-Water Error in Radiocarbon Dating of Vegetable Matter</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><date>1972-01-01</date><risdate>1972</risdate><volume>240</volume><issue>5382</issue><spage>460</spage><epage>461</epage><pages>460-461</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><abstract>THE hard-water effect is a recognized source of error in radiocarbon dating. It causes ages to be over-assessed and arises when the material to be dated, such as mollusc shell or plant, synthesizes its skeleton under water and so uses bicarbonate derived in part from old, inert sources. It is usually stated that the maximum possible error is equivalent to the half-life of
14
C, 5,570 yr (Libby scale), but it rarely amounts to as much as this. Moreover, in an isolated dating it is not only impossible to evaluate, but even to know whether there is any over-estimation, but if the sample consists of tree wood, or the leaves, twigs or seeds of wholly terrestrial plants, then it can be assumed that no hard-water error is present.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><doi>10.1038/240460a0</doi><tpages>2</tpages></addata></record> |
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| source | Nature; Alma/SFX Local Collection |
| subjects | AGE ESTIMATION/errors in radiocarbon, of vegetable matter, hard-water as source of CALCIUM CARBONATES CARBON 14 DENMARK ERRORS Humanities and Social Sciences ISOTOPE DATING letter multidisciplinary N40130 --Chemistry--Analytical & Separations Chemistry-- Radiometric & Radiochemical Procedures Science Science (multidisciplinary) SEDIMENTARY ROCKS WATER CARBON ISOTOPES C-14/determination in vegetable matter for dating, hard-water error in |
| title | An Example of Hard-Water Error in Radiocarbon Dating of Vegetable Matter |
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