ISO/ASTM 51631:2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Practice for use of calorimetric dosimetry systems for electron beam dose measurements and dosimeter calibrations
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
18-08-2003
English
18-04-2002
Important note : Users cannot be edited or removed once added to your Multi user PDF.
ISO/ASTM 51631 covers the preparation and use of semi-adiabatic calorimeters for measurement of absorbed doses in graphite, water or polystyrene when irradiated with electrons. The calorimeters are either transported by a conveyor past a scanned electron beam or are stationary in a broadened beam. It also covers the use of these calorimeters to calibrate dosimeter systems in electron beams intended for radiation processing applications.
This International Standard applies to electron beams in the energy range from 4 MeV to 12 MeV.
The absorbed dose range depends on the absorbing material and the irradiation and measurement conditions. The minimum dose is approximately 100 Gy and maximum dose is approximately 50 kGy.
The averaged absorbed dose rate range shall generally be greater than 10 Gys-1 , but depends on the same conditions as above.
The temperature range for use of these calorimeters depends on the thermal resistance of the materials and on the calibration range of the temperature sensor.
| DocumentType |
Standard
|
| Pages |
9
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.