https://energyeducation.ca/wiki/index.php?action=history&feed=atom&title=SievertSievert - Revision history2026-04-27T23:07:47ZRevision history for this page on the wikiMediaWiki 1.44.0https://energyeducation.ca/wiki/index.php?title=Sievert&diff=7838&oldid=prevJmdonev: 1 revision imported2018-07-21T01:13:05Z<p>1 revision imported</p>
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[[File:Radiation.png|thumbnail|Figure 1: Radiation caution sign]]<br />
<onlyinclude>The '''Sievert''' (Sv) is the [[SI]] unit for [[ionizing radiation]] dose, measuring the amount of [[energy]] absorbed in a human's body per unit mass ([[joule|J]]/[[kilogram|kg]]).<ref>Bureau International des Poids et Mesures, "SI units of ionizing radiation" [Online], Available: http://www.bipm.org/en/measurement-units/history-si/radioactivity/#notes</ref></onlyinclude> Named after Rolf Sievert for his work with [[radiation dose|radiation dosage]] and protection against radiation,<ref>Bureau International des Poids et Mesures "R. M. Sievert (1898-1966)" [Online], Available: http://www.bipm.org/en/measurement-units/history-si/radioactivity/sievert.html</ref> the Sievert is a measure of external and internal biological exposure to radiation. Dosage is referred to in different ways, with two pertaining to the Sievert: [[Equivalent dosage]] is used when referring to any health effect on the whole body, and [[effective dosage]] is more specific to certain bodily tissues and organs.<ref>Radiology Info, "What is radiation dose?" [Online], Available: http://www.radiologyinfo.org/en/safety/index.cfm?pg=sfty_hiw_09</ref><br />
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One Sievert is a large amount of radiation dosage, so typically it is used with a [[prefixes|prefix]] of micro (µSv) or milli (mSv). For example, a common comparison of dosage is the banana equivalent dose which is the amount of absorbed radiation from eating one banana, equal to 0.1 µSv (bananas are ''naturally'' slightly radioactive due to their content of the unstable isotope Potassium-40). The radiation from eating bananas is ''very'' small, one would have to eat millions of bananas at once to get any appreciable radiation exposure.<br />
To get a feel of how much radiation dosage that humans receive from various sources, take a look at this [https://xkcd.com/radiation/ visual by XKCD]. <br />
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==Sievert Unit Converter==<br />
<html><br /> <iframe src="https://energyeducation.ca/simulations/converter/converter.php?defaultMeasure=Effective dose (radiation)&defaultFrom=sievert&defaultTo=rem" width="750" height="200"> </iframe><br /> </html> <br />
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==For further reading==<br />
*[[Ionizing radiation]]<br />
*[[Alpha decay]]<br />
*[[Beta decay]]<br />
*[[Gamma decay]]<br />
*[[Gray]]<br />
==References==<br />
{{reflist}}</div>Jmdonev