Abstract
This chapter describes dosimetry and dosimeter. Dosimetry is the procedure to measure the (amount of) radiation, and dosimeter is a device or system for dosimetry. Amount of radiation is expressed from many aspects, depending on object and substance/materials, and regarding it, there are many specific units. In radiation chemistry, so-called chemical dosimeters are widely used. It is aqueous solution or organic film, etc. Especially, in radiation processing plastic film dosimeter is often used. Famous chemical dosimeters are Fricke dosimeter and ceric-cerous dosimeter. Details are given for these aqueous solution systems. They use oxidation–reduction reaction of solute (Fe ion or Ce ion).
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Further Readings
ISO/ASTM standard 51205 (2009) Practice for use of a ceric-cerous sulfate dosimetry system
ISO/ASTM standard 51401 (2003) Practice for use of a dichromate dosimetry system
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1.
Aqueous solution of density of 1(g/cm2) as irradiated to absorbed dose of D [Gy], and the concentration of product is C[M]. Obtain the formula to express the G value of the product. Draw a figure of charge in stopping power of a carbon ion of 6Â Mev per nuclear (expressed as 6Â MeV/u, where u means a nuclear) subjected to water.
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2.
Derive the equivalent equations for the case of ceric-cerous dosimeter.
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Katsumura, Y., Kudo, H. (2018). Dosimetry. In: Kudo, H. (eds) Radiation Applications. An Advanced Course in Nuclear Engineering, vol 07. Springer, Singapore. https://doi.org/10.1007/978-981-10-7350-2_3
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DOI: https://doi.org/10.1007/978-981-10-7350-2_3
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