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- Q2727388 subject Q20978590.
- Q2727388 subject Q6506295.
- Q2727388 subject Q7014491.
- Q2727388 subject Q8606660.
- Q2727388 abstract "Thermoluminescence (TL) dating is the determination, by means of measuring the accumulated radiation dose, of the time elapsed since material containing crystalline minerals was either heated (lava, ceramics) or exposed to sunlight (sediments). As a crystalline material is heated during measurements the process of thermoluminescence starts. Thermoluminescence emits a weak light signal that is proportional to the radiation dose absorbed by the material. It is a type of luminescence dating.The technique has wide application, and is relatively cheap at some US$300–700 per object; ideally a number of samples are tested. Sediments are more expensive to date. The destruction of a relatively significant amount of sample material is necessary, which can be a limitation in the case of artworks. The heating must have taken the object above 500C, which covers most ceramics, although very high-fired porcelain creates other difficulties. It will often work well with stones that have been heated by fire. The clay core of bronze sculptures made by lost wax casting can also be tested.Different materials vary considerably in their suitability for the technique, depending on several factors. Subsequent irradiation, for example if an x-ray is taken, can affect accuracy, as will the "annual dose" of radiation a buried object has received from the surrounding soil. Ideally this is assessed by measurements made at the precise findspot over a long period. For artworks, it may be sufficient to confirm whether a piece is broadly ancient or modern (that is, authentic or a fake), and this may be possible even if a precise date cannot be estimated.".
- Q2727388 thumbnail Keizars_TLexplained2.jpg?width=300.
- Q2727388 wikiPageExternalLink ant0790390.htm.
- Q2727388 wikiPageExternalLink TLInfo.php?language=en.
- Q2727388 wikiPageExternalLink ?request=get-abstract&doi=10.2112%2F04-0406.1.
- Q2727388 wikiPageExternalLink ~qtls.
- Q2727388 wikiPageWikiLink Q103517.
- Q2727388 wikiPageWikiLink Q103531.
- Q2727388 wikiPageWikiLink Q1098.
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- Q2727388 wikiPageWikiLink Q11388.
- Q2727388 wikiPageWikiLink Q11391.
- Q2727388 wikiPageWikiLink Q11448.
- Q2727388 wikiPageWikiLink Q11523.
- Q2727388 wikiPageWikiLink Q11547.
- Q2727388 wikiPageWikiLink Q130693.
- Q2727388 wikiPageWikiLink Q1412702.
- Q2727388 wikiPageWikiLink Q1420038.
- Q2727388 wikiPageWikiLink Q173412.
- Q2727388 wikiPageWikiLink Q1749926.
- Q2727388 wikiPageWikiLink Q180184.
- Q2727388 wikiPageWikiLink Q18335.
- Q2727388 wikiPageWikiLink Q20978590.
- Q2727388 wikiPageWikiLink Q213891.
- Q2727388 wikiPageWikiLink Q2225.
- Q2727388 wikiPageWikiLink Q29539.
- Q2727388 wikiPageWikiLink Q3198.
- Q2727388 wikiPageWikiLink Q36194.
- Q2727388 wikiPageWikiLink Q36496.
- Q2727388 wikiPageWikiLink Q40157.
- Q2727388 wikiPageWikiLink Q43010.
- Q2727388 wikiPageWikiLink Q4335524.
- Q2727388 wikiPageWikiLink Q43533.
- Q2727388 wikiPageWikiLink Q44432.
- Q2727388 wikiPageWikiLink Q45621.
- Q2727388 wikiPageWikiLink Q46221.
- Q2727388 wikiPageWikiLink Q46344.
- Q2727388 wikiPageWikiLink Q483242.
- Q2727388 wikiPageWikiLink Q528769.
- Q2727388 wikiPageWikiLink Q55451.
- Q2727388 wikiPageWikiLink Q6506295.
- Q2727388 wikiPageWikiLink Q7014491.
- Q2727388 wikiPageWikiLink Q703.
- Q2727388 wikiPageWikiLink Q7098909.
- Q2727388 wikiPageWikiLink Q7309862.
- Q2727388 wikiPageWikiLink Q736777.
- Q2727388 wikiPageWikiLink Q765814.
- Q2727388 wikiPageWikiLink Q8606660.
- Q2727388 wikiPageWikiLink Q895901.
- Q2727388 wikiPageWikiLink Q9121.
- Q2727388 comment "Thermoluminescence (TL) dating is the determination, by means of measuring the accumulated radiation dose, of the time elapsed since material containing crystalline minerals was either heated (lava, ceramics) or exposed to sunlight (sediments). As a crystalline material is heated during measurements the process of thermoluminescence starts. Thermoluminescence emits a weak light signal that is proportional to the radiation dose absorbed by the material.".
- Q2727388 label "Thermoluminescence dating".
- Q2727388 depiction Keizars_TLexplained2.jpg.