NF EN ISO 489 : 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTICS - DETERMINATION OF REFRACTIVE INDEX
01-12-2023
01-12-2013
1 Scope
2 Normative references
3 Apparatus and materials
3.1 Method A
3.2 Method B
4 Preparation of test specimens
4.1 Method A
4.2 Method B
4.3 Required number of specimens or measurements
5 Conditioning
6 Procedure
6.1 Method A
6.2 Method B
7 Precision
8 Test report
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