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ASTM E179-17(2022)
Standard Guide for Selection of Geometric Conditions for Measurement of Reflection and Transmission Properties of Materials
NORMA vydaná dňa 1.10.2022
Informácie o norme:
Označenie normy: ASTM E179-17(2022)
Dátum vydania normy: 1.10.2022
Kód tovaru: NS-1088748
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E179-17(2022) :
Keywords:
geometric conditions, reflection, transmission,, ICS Number Code 17.180.20 (Colours and measurement of light)
Doplňujúce informácie
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This guide is intended for use in selecting terminology, measurement scales, and instrumentation for describing or evaluating such appearance characteristics as glossiness, opacity, lightness, transparency, and haziness in terms of reflected or transmitted light. This guide does not consider the spectral variations responsible for color, but the geometric variables described herein can importantly affect instrumentally measured values of color. This guide is general in scope rather than specific as to instrument or material. 1.2?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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