DS/EN ISO 489

Plastics - Determination of refractive index

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Organization: DS
Publication Date: 9 July 1999
Status: active
Page Count: 22
ICS Code (Plastics in general): 83.080.01
scope:

This standard specifies two test methods for determining the refractive index of plastics, namely: Method A: Refractive method for measuring the refractive index of moulded parts, cast or extruded sheet or film by means of a refractometer. Method B: Immersion method for determining the refrative index of powdered or granulated transparent materials by means of a microscope and making use of the Becke line phenomenon.

Document History

DS/EN ISO 489
July 9, 1999
Plastics - Determination of refractive index
This standard specifies two test methods for determining the refractive index of plastics, namely: Method A: Refractive method for measuring the refractive index of moulded parts, cast or extruded...
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