Aktivní norma | Vydána: 11.02.2020

ISO 7270-1:2020-ed.2.0

Rubber — Analysis by pyrolytic gas-chromatographic methods — Part 1: Identification of polymers (single polymers and polymer blends)
(Caoutchouc — Méthodes d´analyse par pyrolyse et chromatographie en phase gazeuse — Partie 1: Identification des polymeres (un seul polymere ou un mélange de polymeres))

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: ISO 7270-1:2020-ed.2.0

Datum vydání: 11.02.2020

Stran: 50

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: This document specifies a method for the identification of polymers, or blends of polymers, in raw rubbers and in vulcanized or unvulcanized compounds from pyrograms (pyrolysis-gas chromatographic patterns) obtained under the same conditions. This allows qualitative identification of single rubbers or blends, with exceptions discussed below. This document is not intended for quantitative analysis. The method applies first and foremost to single polymers. When the pyrogram indicates a characteristic hydrocarbon, the method is also applicable to blends. For details, see Clause 5. The method can be also applicable to other types of polymer when verified by the analyst in each particular case. NOTE The use of this document pre-supposes sufficient working knowledge of the principles and techniques of gas chromatography to enable the analyst to carry out the operations described and to interpret the results correctly.

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