White Papers
Smoke Detectors and Americium
Overview Smoke detectors are important safety devices, because of their obvious potential to save lives and property. There are two types of smoke detector commonly available in many countries. One type uses the radiation from a small amount of radioactive material to detect the presence of smoke or heat sources. These "ion chamber smoke detectors" are the most popular, because they are inexpensive and are sensitive to a wider range of fire conditions than the other type. The other type of detector does not contain radioactive material; it uses a photoelectric sensor to detect the change in light level caused by smoke. This type is more expensive to purchase and install, and is less effective. The vital ingredient of household smoke detectors is a very small quantity (<35 kBq) of americium-241 (Am-241).
| Publisher | Uranium Information Centre Ltd | File Format | HTML |
|---|---|---|---|
| Date Published | March 2001 | Downloads | 16 |
| Format | White Papers | ||
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