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BS EN 648:2018

BS EN 648:2018

$86.31

Paper and board intended to come into contact with foodstuffs. Determination of the fastness of fluorescent whitened paper and board

Published By Publication Date Number of Pages
BSI 2018 14
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This document describes procedures for the testing of the fastness of fluorescent whitened paper and board intended to come into contact with foodstuffs. Some procedures depending on the foreseeable use of the material are given. Visual absence of the glass fibre paper’s fluorescence under UV light is evaluated. For samples having significant different sides, a migration can occur from one glass fibre to the other and could lead to wrong interpretation of the fastness of one side. It is advisable to check these samples using large sampling procedure to prevent cross contamination of the glass fibre during the migration procedure. The procedure is described in Annex A. If lower limit of detection is required, this procedure can also be used.

PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Materials and equipment
7 5.8 Drying cupboard.
5.9 Kettle.
6 Reagents
8 7 Sampling
8 Preparation of sample
9 Procedure
10 Test conditions
9 11 Comparison papers
11.1 Solutions for comparison papers
11.2 Preparation of fluorescent whitened comparison papers
12 Evaluation
10 13 Test report
11 Annex A (informative) Determination of the fastness of fluorescent whitened paper and board on large samples
12 Bibliography

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BS EN 648:2018
$86.31