UNI ISO 2471 : 2009
Current
The latest, up-to-date edition.
PAPER AND BOARD - DETERMINATION OF OPACITY (PAPER BACKING) - DIFFUSE REFLECTANCE METHOD
26-08-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling and conditioning
7 Preparation of test pieces
8 Procedure
9 Calculation of results
10 Precision
11 Test report
Annex A (normative) - Spectral characteristics of
reflectometers for measuring luminance factor
Bibliography
The standard describes a method of measuring the opacity of paper on a paper background by reflection in diffused light.
| DevelopmentNote |
Supersedes UNI 7624. (09/2009)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 2471:2008 | Identical |
| ISO 4094:2005 | Paper, board and pulps International calibration of testing apparatus Nomination and acceptance of standardizing and authorized laboratories |
| ISO 187:1990 | Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples |
| ISO 186:2002 | Paper and board — Sampling to determine average quality |
| ISO 10526:2007 | CIE standard illuminants for colorimetry |
| ISO 2469:2014 | Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor) |
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