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Homepage>BS Standards>59 TEXTILE AND LEATHER TECHNOLOGY>59.140 Leather technology>59.140.30 Leather and furs>BS EN ISO 18218-2:2019 Leather. Determination of ethoxylated alkylphenols Indirect method
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immediate downloadReleased: 2019-07-23
BS EN ISO 18218-2:2019 Leather. Determination of ethoxylated alkylphenols Indirect method

BS EN ISO 18218-2:2019

Leather. Determination of ethoxylated alkylphenols Indirect method

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Standard number:BS EN ISO 18218-2:2019
Pages:24
Released:2019-07-23
ISBN:978 0 580 98523 2
Status:Standard
DESCRIPTION

BS EN ISO 18218-2:2019


This standard BS EN ISO 18218-2:2019 Leather. Determination of ethoxylated alkylphenols is classified in these ICS categories:
  • 59.140.30 Leather and furs

This document specifies a method for determining alkylphenols (nonylphenol and octylphenol) and alkylphenol ethoxylates (nonylphenol ethoxylate and octylphenol ethoxylate) in leather and process auxiliaries. The analysis is based on high-performance liquid chromatography (HPLC) or gas chromatography-mass spectrometry (GC-MS).

The analysis of the alkylphenol ethoxylate is made by cleaving the alkylphenol ethoxylate and measuring the released alkylphenol.

NOTE

ISO 18218-1 and this document use different solvents for the extraction of the ethoxylated alkylphenols from leather. Consequently, the two analytical methods are expected to give similar trends but not necessarily the same absolute result for the ethoxylated alkylphenol content in leather.