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ISO 4650:2012

Rubber — Identification — Infrared spectrometric methods

Dec 6, 2012
95.99   Withdrawal of Standard   Jul 28, 2026

General information

95.99     Jul 28, 2026

ISO

ISO/TC 45/SC 2

International Standard

83.060  

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Scope

ISO 4650:2012 specifies two methods for the identification of rubbers, including thermoplastic elastomers, either in the raw state or in the form of vulcanized or unvulcanized mixes. The first method is based on infrared spectrometric examination using the transmission technique. The second method makes use of analysis by reflectance.
A comparison of the spectra resulting from reflectance (attenuated total reflectance, ATR) and transmission (film) is given.
Both methods comprise examination of polymers by their pyrolysis products (pyrolysates), or by films cast from solution or obtained by moulding (for raw rubbers only).
Typical spectra are given.
The methods specified are qualitative methods only.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4650:2005

NOW

WITHDRAWN
ISO 4650:2012
95.99 Withdrawal of Standard
Jul 28, 2026

REVISED BY

PUBLISHED
ISO 4650:2026