ASTM-E1349 › Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45°:0° or 0°:45°) Geometry
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Scope
1.1 This test method describes the instrumental measurement of the reflection properties and color of object-color specimens by use of a spectrophotometer or spectrocolorimeter with a bidirectional optical measuring system, such as annular, circumferential, or uniplanar 45/0 or 0/45 geometry.
1.2 This test method is generally suitable for any flat object-color specimen. It is especially recommended for measuring retroreflective specimens, fluorescent specimens, and specimens of intermediate gloss.
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
bidirectional geometry; color; reflectance; spectrophotometer; ICS Number Code 17.180.20 (Colours and measurement of light)
To find similar documents by ASTM Volume:
06.01 (Paint -- Tests for Chemical, Physical, and Optical Properties; Appearance)
To find similar documents by classification:
17.180.20 (Colours and measurement of light)
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Document Number
ASTM-E1349-06R22
Revision Level
2006 R22 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
Nov. 4, 2022
Document Type
Test Method
Page Count
4 pages
Committee Number
E12.02