AS/NZS 1301.454s:2006
Methods of test for pulp and paper - Determination of opacity (paper backing) - Diffuse reflectance method
Prescribes the method for determining the opacity (paper backing) of paper. Opacity (paper backing) is the property that governs the extent to which one sheet of paper visually obscures printed matter on underlying sheets of paper.
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AS/NZS 1301.454s:2006 METHODS OF TEST FOR PULP AND PAPER - METHOD 454s: DETERMINATION OF OPACITY (PAPER BACKING)-DIFFUSE REFL
Foreword
Introduction
Contents
1 Scope
2 Normative references
3 Definitions
3.1 Reflectance Factor R
3.2 Luminous Factor R
3.3 Single sheet Luminous Factor R
3.5 Opacity (paper backing)
4 Apparatus
4.1 Reflectometer
4.2 Filter colorimeter
4.3 Abridged spectrophotometer
4.4 Working standard
4.5 Black standard
5 Sampling
6 Preparation of test pieces
7 Procedure
8 Calculations
9 Report
Annex A - Weighting factors for spectral wavelengths
Previous versions
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References
Methods of test for pulp and paper - Measurement of diffuse reflectance factor
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AS/NZS 1301.454s:2006 METHODS OF TEST FOR PULP AND PAPER - METHOD 454s: DETERMINATION OF OPACITY (PAPER BACKING)-DIFFUSE REFL
Foreword
Introduction
Contents
1 Scope
2 Normative references
3 Definitions
3.1 Reflectance Factor R
3.2 Luminous Factor R
3.3 Single sheet Luminous Factor R
3.5 Opacity (paper backing)
4 Apparatus
4.1 Reflectometer
4.2 Filter colorimeter
4.3 Abridged spectrophotometer
4.4 Working standard
4.5 Black standard
5 Sampling
6 Preparation of test pieces
7 Procedure
8 Calculations
9 Report
Annex A - Weighting factors for spectral wavelengths
Previous versions
AS/NZS 1301.454s:2006
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.