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>ČSN EN ISO 11337 - Plasty - Polyamidy - Stanovení e-kaprolaktamu a w-laurolaktamu plynovou chromatografií
Vydáno: 01.09.2023
ČSN EN ISO 11337 - Plasty - Polyamidy - Stanovení e-kaprolaktamu a w-laurolaktamu plynovou chromatografií

ČSN EN ISO 11337

Plasty - Polyamidy - Stanovení e-kaprolaktamu a w-laurolaktamu plynovou chromatografií

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Označení normy:ČSN EN ISO 11337
Třídící znak:643608
Počet stran:24
Vydáno:01.09.2023
Harmonizace:Norma není harmonizována
Katalogové číslo:517425
DESCRIPTION

ČSN EN ISO 11337

This document specifies a method for determining e-caprolactam and w-laurolactam in polyamides by gas chromatography. It is applicable particularly to the determination of e-caprolactam in polyamide 6 and w-laurolactam in polyamide 12. Two variants of the basic method are specified. - Method A is an extraction method with boiling methanol, and the extract is injected into a gas chromatograph. - Method B is a method using a solvent, and the solution is injected into a gas chromatograph.
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