Standard

NS-EN ISO 23649:2025

Publisert

Rettelser og tillegg kjøpes separat.

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Omfang

This document specifies a method for determining the total content of the following cyclosiloxanes in chemicals for the leather tanning industry:—     octamethylcyclotetrasiloxane (D4);—     decamethylcyclopentasiloxane (D5);—     dodecamethylcyclohexasiloxane (D6);This method requires the use of gas chromatography (GC) equipped with a single quadrupole mass spectrometer (MS) to identify and quantify the cyclosiloxanes.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Utgave: 2025-02
  • Versjon: 1
  • Varetype: NAT
  • ICS 59.140.30
  • National Committee CEN/TC 289

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