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  • EN ISO 12625-16:2015

    Current The latest, up-to-date edition.

    Tissue paper and tissue products - Part 16: Determination of optical properties - Opacity (paper backing) - Diffuse reflectance method (ISO 12625-16:2015)

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    Published date:  18-02-2015

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Apparatus
    6 Sampling
    7 Conditioning
    8 Preparation of test pieces
    9 Procedure
    10 Calculation
    11 Test report
    Annex A (normative) - Spectral characteristics of
            reflectometers for measuring luminous factor
    Annex B (informative) - Precision
    Bibliography

    Abstract - (Show below) - (Hide below)

    ISO 12625-16:2015 specifies the testing procedures for the instrumental determination of the opacity of tissue paper or tissue products by diffuse reflectance using a paper backing.ISO 12625-16:2015 contains specific instructions for the preparation of test pieces of single-ply and multi-ply products, where special preparation/procedures might be necessary.It can be used to determine the opacity of tissue paper and tissue products containing fluorescent whitening agents, provided the UV content of the radiation incident on the test piece has been adjusted to conform to that in the CIE illuminant C using a fluorescent reference standard provided by an authorized laboratory as described in ISO 2470-1.ISO 12625-16:2015 is not applicable to coloured tissue paper and tissue products which incorporate fluorescent dyes or pigments.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 172
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 4094:2005 Paper, board and pulps International calibration of testing apparatus Nomination and acceptance of standardizing and authorized laboratories
    ISO 2471:2008 Paper and board — Determination of opacity (paper backing) — Diffuse reflectance method
    ISO 187:1990 Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
    ISO 11664-1:2007 Colorimetry Part 1: CIE standard colorimetric observers
    ISO 2470-1:2016 Paper, board and pulps Measurement of diffuse blue reflectance factor Part 1: Indoor daylight conditions (ISO brightness)
    ISO/TR 24498:2006 Paper, board and pulps Estimation of uncertainty for test methods
    ISO 186:2002 Paper and board — Sampling to determine average quality
    ISO 12625-15:2015 Tissue paper and tissue products — Part 15: Determination of optical properties — Measurement of brightness and colour with C/2° (indoor daylight) illuminant
    ISO 2469:2014 Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor)
    ISO 12625-7:2014 Tissue paper and tissue products Part 7: Determination of optical properties Measurement of brightness and colour with D65/10 (outdoor daylight)
    ISO 11664-2:2007 Colorimetry — Part 2: CIE standard illuminants
    TAPPI T 1200 : 2014 INTERLABORATORY EVALUATION OF TEST METHODS TO DETERMINE TAPPI REPEATABILITY AND REPRODUCIBILITY
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