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ISO 24076:2021 Plastics - Polypropylene (PP) - Determination of isotactic index by low-resolution nuclear magnetic resonance spectrometry
standard by International Organization for Standardization, 02/01/2021
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ISO 24076:2021 specifies a relative method for the determination of polypropylene (PP) isotactic index by low-resolution pulsed nuclear magnetic resonance spectroscopy (LR-NMR).
This method enables the identification and coding of types H propylene (PP-H) plastics according to ISO 19069-1.
This method is suitable for base polymers and is not applicable for mixtures.
NOTE The direct method for the determination of polypropylene isotactic index is specified in ISO 9113.