ASTM International - ASTM E1348-11
Standard Test Method for Transmittance and Color by Spectrophotometry Using Hemispherical Geometry
| Organization: | ASTM International |
| Publication Date: | 1 November 2011 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Colours and measurement of light): | 17.180.20 |
significance And Use:
The most direct and accessible methods for obtaining the color coordinates of object colors are by instrumental measurement using spectrophotometers or colorimeters with either hemispherical or... View More
scope:
1.1 This test method describes the instrumental measurement of the transmission 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 This test method is generally suitable for all fully transparent specimens without regard for the specimen position relative to the transmission port of the instrument. Translucent specimens, however, must be placed flush against the transmission port of the sphere.
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.
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