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Homepage>BS EN ISO 23649:2025 Chemicals for the leather tanning industry. Determination of cyclosiloxanes
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sklademVydáno: 2025-02-28
BS EN ISO 23649:2025 Chemicals for the leather tanning industry. Determination of cyclosiloxanes

BS EN ISO 23649:2025

Chemicals for the leather tanning industry. Determination of cyclosiloxanes

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Označení normy:BS EN ISO 23649:2025
Počet stran:18
Vydáno:2025-02-28
ISBN:978 0 539 28270 2
Status:Standard
DESCRIPTION

BS EN ISO 23649:2025


This standard BS EN ISO 23649:2025 Chemicals for the leather tanning industry. Determination of cyclosiloxanes is classified in these ICS categories:
  • 59.140.30 Leather and furs
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.
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