Norm

NEN-ISO 16014-2:2003 en

Kunststoffen - Bepaling van de gemiddelde moleculaire massa en moleculaire massaverdeling van polymeren bij gebruik van maatuitsluitingchromatografie - Deel 2: Universele kalibratiemethode

  • Deze norm is ingetrokken sinds 13-07-2012

48,19

Over deze norm

Status Ingetrokken
Aantal pagina's 12
Commissie Kunststoffen
Gepubliceerd op 01-06-2003
Taal Engels
This part of ISO 16014 specifies a method for determining the average molecular mass and the molecular mass distribution of polymers using size-exclusion chromatography (SEC). The average molecular mass and the molecular mass distribution are calculated using a universal calibration curve instead of the conventional calibration curve. The concept of the universal calibration method is based on a relationship by which the retention time in SEC depends on the size of the polymer molecule (the hydrodynamic volume) or on the product of the intrinsic viscosity and the molecular mass M. Many polymers classified as random-coil polymers (regardless of their chemical structure, degree of branching, composition or tacticity) have been experimentally confirmed as following this relationship.

Details

ICS-code 83.080.01
Nederlandse titel Kunststoffen - Bepaling van de gemiddelde moleculaire massa en moleculaire massaverdeling van polymeren bij gebruik van maatuitsluitingchromatografie - Deel 2: Universele kalibratiemethode
Engelse titel Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 2: Universal calibration method
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