NS EN 648 : 3ED 2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PAPER AND BOARD INTENDED TO COME INTO CONTACT WITH FOODSTUFFS - DETERMINATION OF THE FASTNESS OF FLUORESCENT WHITENED PAPER AND BOARD
03-01-2019
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test materials and equipment
6 Reagents
7 Sampling
8 Preparation of sample
9 Procedure A (long duration contact)
10 Procedure B (short time contact)
11 Comparison papers
11.1 Solutions for comparison papers
11.2 Preparation of fluorescent whitened comparison
papers
12 Evaluation
13 Test report
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