DIN EN ISO 489:2022 Edition

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Plastics – Determination of refractive index

Published By	Publication Date	Number of Pages
DIN	2022-06	20

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Categories: 83.080.01 - Plastics in general, DIN

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Description

This document specifies 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. It is applicable not only to isotropic transparent, translucent, coloured or opaque materials but also to anisotropic materials. — 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. Monochromatic light, in general, is used to avoid dispersion effects.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2022-06
Pages Count	20
Language	English
Descriptors	Analysis, Determination, Determination procedures, Immersion tests, Immersion tests (corrosion), Materials testing, Measurement, Measuring techniques, Moulded parts, Optical tests, Plastic films, Plastics, Refractive index, Refractometry, Sample preparation, Specimen preparation, Testing
File Size	1.1 MB
ICS Codes	83.080.01 - Plastics in general

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DIN EN ISO 489:2022 Edition

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