Alcance
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.