ČSN EN ISO 23649 (793898)

Anotace obsahu normy

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.