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Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry
Automaticky preložený názov:
Štandardná skúšobná metóda pre odrazivosti Factor a farby spektrofotometricky pomocou pologuľovitý geometrie
NORMA vydaná dňa 10.7.2003
Označenie normy: ASTM E1331-96(2003)
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.7.2003
Kód tovaru: NS-41330
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
color, hemispherical geometry, reflectance, reflectance factor, spectrophotometry, ICS Number Code 17.180.20 (Colours and measurement of light)
1. Scope | ||||||||||||||||
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 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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