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NF EN ISO 489 : 1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Superseded date

12-01-2023

Published date

12-01-2013

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

Defines two test methods for determining the refractive index of plastics, namely: - Method A: a refractometric method for measuring the refractive index of moulded parts, cast or extruded sheet or film, by means of a refractometer. - Method B: an immersion method (making use of the Becke line phenomenon) for determining the refractive index of powdered or granulated transparent materials by means of a microscope.

DevelopmentNote
INDICE DE CLASSEMENT: T51064
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
I.S. EN ISO 489:1999 Identical
UNI EN ISO 489 : 2001 Identical
UNE-EN ISO 489:2000 Identical
NBN EN ISO 489 : 1ED 99 Identical
SN EN ISO 489 : 1999 Identical
BS EN ISO 489:1999 Identical
EN ISO 489:1999 Identical
NS EN ISO 489 : 1ED 1999 Identical
ISO 489:1999 Identical
NEN EN ISO 489 : 1999 Identical

NF EN ISO 8257-2 : 2006 PLASTICS - POLY(METHYL METHACRYLATE) (PMMA) MOULDING AND EXTRUSION MATERIALS - PART 2: PREPARATION OF TEST SPECIMENS AND DETERMINATION OF PROPERTIES

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