ASTM E 1331:2015

Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry

German title: Prüfverfahren für Reflexionsgrad und Farbe durch Spektrophotometrie mittels hemisphärischer Geometrie
Publication date: 2015 reapproved: 2023
Original language: English
Pages: 4

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Publication date: 2015 reapproved: 2023
Original language: English
Pages: 4
DOI: https://dx.doi.org/10.1520/E1331-15R23

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Short description

1.1 This test method describes the instrumental measurement of the reflection properties and color of object-color specimens by the use of a spectrophotometer or spectrocolorimeter with a hemispherical optical measuring system, such as an integrating sphere. 1.2 The test method is suitable for use with most object-color specimens. However, it should not be used for retroreflective specimens or for fluorescent specimens when highest accuracy is desired. Specimens having intermediate-gloss surfaces should preferably not be measured by use of this geometry. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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.

ICS

17.180.20

DOI

https://dx.doi.org/10.1520/E1331-15R23

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