ASTM E1538-99e1 PDF

Standard No.: ASTM E1538-99e1
Release Date: 1970
Published By: /
Latest: ASTM E1538-99e1

Scope: Full Description 1.1 This practice covers the preparation, handling, testing, and procedure for using the ethanol-chlorobenzene dosimetry system to measure absorbed dose in materials irradiated by photons and electrons in terms of absorbed dose in water. The system consists of a dosimeter and appropriate analytical instrumentation. For simplicity, the system will be referred to as the ECB system. It is classified as a reference standard dosimeter (see Guide E1261). 1.2 This practice describes the titration analysis as a standard readout procedure for the ECB dosimeter. Other applicable readout methods (spectrophotometric, oscillometric) are described in Appendixes X1 and X2. 1.3 This practice applies only to gamma rays, X rays, and high-energy electrons. 1.4 This practice applies provided the following are satisfied: 1.4.1 The absorbed dose range shall be from 10 Gy to 2 MGy (1). 1.4.2 The absorbed dose rate does not exceed 10 Gy s -1 (2). 1.4.3 For radionuclide gamma-ray sources, the initial photon energy shall be greater than 0.6 MeV. For bremsstrahlung photons, the initial energy of the electrons used to produce the bremsstrahlung photons shall be equal to or greater than 2 MeV. For electron beams, the initial electron energy shall be greater than 4 MeV (see ICRU Reports 34 and 35). Note 1-The lower limits of electromagnetic radiation energy given are appropriate for a cylindrical dosimeter ampoule of 12-mm diameter. Corrections for dose gradients across an ampoule of that diameter or less are not required. The ECB system may be used at energies of incident electrons lower than 8 MeV by employing thinner (in the beam direction) dosimeter containers (see ICRU Report 35). 1.4.4 The irradiation temperature of the dosimeter should be within the range from -40°C to 80°C. 1.5 This standard does not purport to address all of the safety problems, 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.

ASTM E1538-99e1 Referenced Document

ASTM C912 Standard Practice for Designing a Process for Cleaning Technical Glasses*， 1993-04-22 Update
ASTM D1193 Standard Specification for Reagent Water*， 1999-04-22 Update
ASTM D941 *， 1988-01-01 Update
ASTM E1026 Standard Practice for Using the Fricke Reference Standard Dosimetry System*， 1995-04-22 Update
ASTM E1204
ASTM E1205
ASTM E1261
ASTM E1400
ASTM E1401
ASTM E1431
ASTM E1540
ASTM E1649
ASTM E170 Standard Terminology Relating to Radiation Measurements and Dosimetry*， 1999-04-22 Update
ASTM E1707
ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods*， 1990-04-22 Update
ASTM E178 Standard Practice for Dealing With Outlying Observations*， 1994-04-22 Update
ASTM E275 Standard Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers*， 1993-04-22 Update
ASTM E456 Standard Terminology for Relating to Quality and Statistics*， 1996-04-22 Update
ASTM E666 Standard Practice for Calculating Absorbed Dose From Gamma or X Radiation*， 1997-04-22 Update
ASTM E668 Standard Practice for Application of Thermoluminescence-Dosimetry (TLD) Systems for Determining Absorbed Dose in Radiation-Hardness Testing of Electronic Devices*， 2020-07-01 Update
ASTM E925 Standard Practice for Monitoring the Calibration of Ultraviolet-Visible Spectrophotometers whose Spectral Slit Width does not Exceed 2 nm*， 2002-03-10 Update
ASTM E958 Standard Practice for Measuring Practical Spectral Bandwidth of Ultraviolet-Visible Spectrophotometers*， 1993-04-22 Update
ISO 11137 Sterilization of health care products - Requirements for validation and routine control - Radiation sterilization; Technical Corrigendum 1*， 1997-05-01 Update

ASTM E1538-99e1 history

1970 ASTM E1538-99e1