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ČSN EN 648 (500488)
Paper and board intended to come into contact with foodstuffs - Determination of the fastness of fluorescent whitened paper and board
Translate name
STANDARD published on 1.6.2019
The information about the standard:
Designation standards: ČSN EN 648
Classification mark: 500488
Catalog number: 507703
Publication date standards: 1.6.2019
SKU: NS-950487
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Materials and articles in contact with foodstuffsPaper and board
Annotation of standard text ČSN EN 648 (500488):
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
Preview of the standard ČSN EN 648 (500488)
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