ASTM International

Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry
 N E1331

Annotation

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.

The test method is suitable for use with most objectcolor 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.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

Автоматический перевод:

Метод стандартной пробы для фактора коэффициента отражения и цвета спектрофотометрией Используя полусферическую геометрию

Этот метод тестирования описывает инструментальное измерение отражательных свойств и цвет экземпляров цвета объекта при помощи спектрофотометра или спектроколориметра с полусферической оптической измерительной системой, таких как интегрирующаяся сфера.