I.S. 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PLASTICS - DETERMINATION OF REFRACTIVE INDEX
Hardcopy , PDF
19-04-2022
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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