ASTM-51650 › Standard Practice for Use of Cellulose Acetate Dosimetry Systems
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Scope
1.1 This practice covers the preparation, handling, testing and procedures for the use of cellulose acetate dosimetry systems, and the spectrometric, densitometric, or photometric readout equipment for measuring absorbed dose in materials irradiated by photons and electrons in terms of absorbed dose in water.
Note 1—Cellulose acetate dosimeter refers to untinted and tinted cellulose triacetate (CTA) or cellulose diacetate (CDA) film dosimeter.
1.2 This practice applies to cellulose acetate film dosimeters that can be used within part or all of the specified ranges as follows:
1.2.1 The absorbed dose range for untinted CTA is 5 X 10 3 to 3 X 105 Gy for photons and electrons,
1.2.2 The absorbed dose range for tinted CDA is 1 X 10 4 to 1 X 106 Gy for photons and electrons,
1.2.3 The absorbed dose rate for both CTA and CDA is from 0.03 to 4 1010 Gy/s,
1.2.4 The radiation energy range for photons is from 0.1 to 50 MeV, and
1.2.5 The radiation energy range for electrons is from 0.2 to 50 MeV.
Note 2—In cases where low-energy electrons and charged particles cannot completely penetrate the thickness of standard CTA and DCA films, thin films may be used (1, 2).
1.2.6 The irradiation temperature range is from 10 to 70°C.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
absorbed dose; CDA; cellulose acetate dosimeter; cellulose diacetate dosimeter; cellulose triacetate dosimeter; CTA; dose distribution; dose mapping; dosimeter; dosimetry; electron beams; film dosimeter; gamma-rays; routine dosimeter ; ICS
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Document Number
ISO/ASTM51650:2013
Revision Level
2013 EDITION
Status
Current
Modification Type
New
Publication Date
June 1, 2013
Document Type
ISO/ASTM
Page Count
12 pages
Committee Number
E10.01