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sklademVydáno: 2004
ISO 16564:2004
ISO 16564:2004-Rubber, raw natural — Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography (SEC)
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Označení normy: | ISO 16564:2004 |
Počet stran: | 7 |
Vydání: | 1 |
Vydáno: | 2004 |
Jazyk: | Anglicky |
DESCRIPTION
ISO 16564:2004
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.