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ASTM E1647-98a

Historical Revision

Standard Practice for Determining Contrast Sensitivity in Radiology

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1.1 This practice covers the design and material selection of a contrast sensitivity measuring gage used to determine the minimum material thickness or density that may be imaged without regard to spatial resolution limitations.

1.2 This practice is applicable to transmitted-beam radioscopic imaging systems utilizing X-ray and gamma ray radiation sources.

1.3 The values stated in inch-pound units are to be regarded as standard.

1.4 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. For specific safety statements, see NIST/ANSI Handbook 114 Section 8, Code of Federal Regulations 21 CFR 1020.40 and 29 CFR 1910.96.


SDO ASTM: ASTM International
Document Number E1647
Publication Date May 10, 1998
Language en - English
Page Count 4
Revision Level 98a
Supercedes
Committee E07.01
Publish Date Document Id Type View
June 1, 2016 E1647-16 Revision
July 1, 2009 E1647-09 Revision
Aug. 10, 2003 E1647-03 Revision
May 10, 1998 E1647-98A Revision
Dec. 1, 2022 E1647-16R22 Reaffirmation