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Practice for use of the ethanol-chlorobenzene dosimetry system


Document Number: ISO/ASTM 51538:2002
File Size: 173 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $65.00
Product Details

ISO/ASTM 51538 covers the preparation, handling, testing and procedure for using the ethanol-chlorobenzene dosimetry system to measure absorbed doses in materials irradiated by photons and electrons in terms of absorbed dose in water. The system consists of a dosimeter and appropriate analytical instrumentation. This practice describes the titration analysis as a standard readout procedure for the ECB dosimeter and applies only to gamma rays, X rays and high-energy electrons. This practice applies provided the following are satis-fied: the absorbed dose range is from 10 Gy to 2 MGy; the absorbed dose rate does not exceed 106 Gy s -1; for radionuclide gamma-ray sources, the initial photon energy is greater than 0,6 MeV; for bremsstrahlung photons, the initial energy of the electrons used to produce the bremsstrahlung photons is equal to or greater than 2 MeV; for electron beams, the initial electron energy is equal to or greater than 4 MeV. the irradiation temperature of the dosimeter is within the range from - 40 øC to 80øC; the effects of size and shape of the irradiation vessel on the response of the dosimeter can adequately be taken into account by performing the appropriate calculations using cavity theory.

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