ISO 23649:2025

Published (Edition 1, 2025)

ISO 23649:2025

CHF 65

Convert Swiss francs (CHF) to your currency

Abstract

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.

General information

Status
: Published

Publication date
: 2025-02

Stage
: International Standard published [60.60]
Edition
: 1

Number of pages
: 9
Technical Committee :
IULTCS

ICS :
59.140.30
RSS updates