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ČSN EN ISO 23649 (793898)
Chemicals for the leather tanning industry - Determination of cyclosiloxanes
Translate name
STANDARD published on 1.8.2025
The information about the standard:
Designation standards: ČSN EN ISO 23649
Classification mark: 793898
Catalog number: 521570
Publication date standards: 1.8.2025
SKU: NS-1227589
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 23649 (793898):
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
Preview of the standard ČSN EN ISO 23649 (793898)
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