Application of radioisotopes in dating of objects
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The function of many common consumer products is dependent on the use of small amounts of radioactive material. Sealed radioactive sources are used in industrial radiography, gauging applications and mineral analysis. Gamma sterilisation is used for medical supplies, some bulk commodities and food preservation. Radiotherapy can be used to treat some medical conditions, especially cancer.
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11.4: Uses of Radioactive Isotopes
Dating objects radioisotope - Free Dating Portal Contacts
Radioactive isotopes have a variety of applications. Generally, however, they are useful because either we can detect their radioactivity or we can use the energy they release. Radioactive isotopes are effective tracers because their radioactivity is easy to detect. A tracer A substance that can be used to follow the pathway of that substance through a structure.
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Radioisotopes in Industry
Environmental radioactivity is produced by radioactive materials in the human environment. While some radioisotopes , such as strontium 90 Sr and technetium 99 Tc , are only found on Earth as a result of human activity, and some, like potassium 40 K , are only present due to natural processes, a few isotopes, e. The concentration and location of some natural isotopes, particularly uranium U , can be affected by human activity. Radioactivity is present everywhere , and has been since the formation of the earth.
Radioactive isotopes have a variety of applications. Generally, however, they are useful either because we can detect their radioactivity or we can use the energy they release. Radioactive isotopes are effective tracers because their radioactivity is easy to detect. A tracer is a substance that can be used to follow the pathway of that substance through some structure.