ISO 17072-2:2022
Leather — Chemical determination of metal content — Part 2: Total metal content
This document specifies a method for the determination of the total metal content in leather using digestion of the leather and subsequent determination with inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), atomic absorption spectrometry (AAS) or spectrometry of atomic fluorescence (SFA).
This method determines the total metal content in leather. It is not compound-specific or specific to the oxidation state of the metals.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus and materials
7 Sampling and sample preparation
8 Procedure
8.1 Acid digestion
8.2 Microwave digestion
8.3 Analysis by ICP, AAS and SFA
8.3.1 General
8.3.2 ICP
8.3.3 AAS
8.3.4 Analysis by SFA technique
9 Calculation and expression of results
10 Test report
Annex A (informative) Interlaboratory test results and quantification limits
Annex B (normative) Acidic digestion for the determination of total aluminium and titanium content in leather
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus and materials
7 Sampling and sample preparation
8 Procedure
8.1 Acid digestion
8.2 Microwave digestion
8.3 Analysis by ICP, AAS and SFA
8.3.1 General
8.3.2 ICP
8.3.3 AAS
8.3.4 Analysis by SFA technique
9 Calculation and expression of results
10 Test report
Annex A (informative) Interlaboratory test results and quantification limits
Annex B (normative) Acidic digestion for the determination of total aluminium and titanium content in leather
Bibliography