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CEN
EN ISO 18218-2:2015

EN ISO 18218-2:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Leather - Determination of ethoxylated alkylphenols - Part 2: Indirect method (ISO 18218-2:2015)

Superseded date

18-07-2019

Superseded by

EN ISO 18218-2:2019

Published date

17-06-2015

Publisher

Comite Europeen de Normalisation

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European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus and materials
5 Chemicals
6 Sampling and sample preparation
7 Calibration
8 Calculation
9 Test report
Annex A (informative) - Preparation of aluminium triiodide
Annex B (informative) - Example of HPLC chromatograms
Annex C (informative) - Example of GC-MS chromatograms
Bibliography

ISO 18218-2:2015 is 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 part of ISO 18218 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.

Committee
CEN/TC 289
DevelopmentNote
Supersedes PREN ISO 18218-2. (06/2015)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

CEN/TR 16417:2016 Footwear - Footwear industry guideline for substances of very high concern (Annex XIV of REACH)
S.R. CEN/TR 16417:2016 FOOTWEAR - FOOTWEAR INDUSTRY GUIDELINE FOR SUBSTANCES OF VERY HIGH CONCERN (ANNEX 14 OF REACH)
PD CEN/TR 16417:2016 Footwear. Footwear industry guideline for substances of very high concern (Annex XIV of REACH)

ISO 18857-1:2005 Water quality — Determination of selected alkylphenols — Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection
ISO 2418:2017 Leather — Chemical, physical and mechanical and fastness tests — Sampling location
ISO 4044:2017 Leather — Chemical tests — Preparation of chemical test samples
ISO 18857-2:2009 Water quality Determination of selected alkylphenols Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation
ISO 24293:2009 Water quality Determination of individual isomers of nonylphenol Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 18218-1:2015 Leather — Determination of ethoxylated alkylphenols — Part 1: Direct method

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