ISO 16564:2004 specifies a method of determining the average molecular mass and the molecular-mass distribution of raw natural rubber dissolved in tetrahydrofuran. A set of polystyrene standards is used for calibration purposes (i.e. the method is a relative one).
An alternative method, using cyclohexane as solvent and polyisoprene standards, is included in an informative annex.
Status: PublishedPublication date: 2004-10
Edition: 1Number of pages: 7
Technical Committee: ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry
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