PREN ISO 6719 : DRAFT 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ANODIZING OF ALUMINIUM AND ITS ALLOYS - MEASUREMENT OF REFLECTANCE CHARACTERISTICS OF ALUMINIUM SURFACES USING INTEGRATING-SPHERE INSTRUMENTS
01-10-2010
12-01-2013
Foreword
1 Scope
2 Normative references
3 Principle
4 Apparatus
4.1 General
4.2 Geometrical specifications of the apparatus
4.2.1 Integrating sphere
4.3 Specular included (varrho) and specular
excluded (varrho[d]) determinations
4.3.1 Pivotable sphere
4.3.2 Fixed sphere (Type 1)
4.3.3 Fixed sphere (Type 2)
4.4 Irradiation beam
4.5 Housing
5 Calibration and operation of the reflectometer
5.1 General
5.2 Reference standards
6 Measurement
7 Expression of results
7.1 Calculation of reflectance values
7.1.1 Specular reflectance values
7.1.2 Diffuseness
7.1.3 Directionality
8 Test report
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