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ISO 23649:2025

Chemicals for the leather tanning industry — Determination of cyclosiloxanes

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.

SDO:

ISO

Language:

English

ICS Codes:

59.140.30

Status:

Published

Publish date:

2025-02-13

Standard Number:

ISO 23649:2025