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Standard ÖNORM EN ISO 23649 15.5.2025 preview

ÖNORM EN ISO 23649

Chemicals for the leather tanning industry - Determination of cyclosiloxanes (ISO 23649:2025)

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STANDARD published on 15.5.2025


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The information about the standard:

Designation standards: ÖNORM EN ISO 23649
Publication date standards: 15.5.2025
SKU: NS-1222385
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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The category - similar standards:

Leather and furs

Annotation of standard text ÖNORM EN ISO 23649 :

Dieses Dokument legt ein Verfahren zur Bestimmung des Gesamtgehalts der folgenden Cyclosiloxane in Chemikalien für die Ledergerbereiindustrie fest: ż Octamethylcyclotetrasiloxan (D4); ż Decamethylcyclopentasiloxan (D5); ż Dodecamethylcyclohexasiloxan (D6). Dieses Verfahren erfordert den Einsatz von Gaschromatographie (GC), ausgestattet mit einem Single-Quadrupol-Massenspektrometer (MS) zur Identifizierung und Quantifizierung der Cyclosiloxane.

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