PREN 646 : DRAFT 2017
Current
The latest, up-to-date edition.
20-03-2017
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Materials and equipment
6 Reagents
7 Sampling
8 Preparation of sample
9 Procedure
10 Test Conditions
11 Evaluation
12 Test Report
Annex A (informative) - Determination of the
fastness of fluorescent whitened
paper and board on large samples
Bibliography
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