ISO 24187:2023
Principles for the analysis of microplastics present in the environment
This document describes the principles to be followed in the analysis of microplastics in various environmental matrices. This includes the unique particle size classification of plastics, the use of certain apparatus with regard to sampling, sample preparation, and the determination of representative sample quantities.
The purpose of this document is to specify minimum requirements until specific standards for the different case situations are available. This is important to ensure that the development of the specific standards is done on a consistent basis to ensure that comparison or correlation of results is possible.
This document does not include requirements for monitoring actions.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General aspects
5 General requirements for all analytical steps
6 Identification of appropriate detection methods
6.1 General
6.2 Detection techniques
6.3 Identification of objective to be addressed
7 Sampling of water
7.1 General
7.2 Sample volume
7.3 Mesh sizes
7.4 Filter materials
8 Sampling of terrestrial, semiterrestrial and subhydric soils
8.1 General
8.2 Sampling of terrestrial soils
8.3 Sampling of semiterrestrial soils
8.4 Sampling of subhydric soils (sediments)
9 Sampling of air
9.1 Indoor air
9.2 Outdoor air
10 Sampling of sludges and other similar materials
11 Sampling of mineral and other inorganic materials
12 Sampling of biota
13 Sample preparation
13.1 General aspects
13.2 Drying
13.3 Milling and grinding
13.4 Removal of inorganic matter
13.5 Removal of organic matter
14 Data processing
14.1 General aspects
14.2 Single spectra/chromatogram interpretation
14.3 Interpretation of large spectra/chromatogram data sets
15 Aspects of analytical quality assurance
15.1 Reference materials
15.2 Performance of interlaboratory comparison tests
Annex A (informative) Advanced Data Processing
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General aspects
5 General requirements for all analytical steps
6 Identification of appropriate detection methods
6.1 General
6.2 Detection techniques
6.3 Identification of objective to be addressed
7 Sampling of water
7.1 General
7.2 Sample volume
7.3 Mesh sizes
7.4 Filter materials
8 Sampling of terrestrial, semiterrestrial and subhydric soils
8.1 General
8.2 Sampling of terrestrial soils
8.3 Sampling of semiterrestrial soils
8.4 Sampling of subhydric soils (sediments)
9 Sampling of air
9.1 Indoor air
9.2 Outdoor air
10 Sampling of sludges and other similar materials
11 Sampling of mineral and other inorganic materials
12 Sampling of biota
13 Sample preparation
13.1 General aspects
13.2 Drying
13.3 Milling and grinding
13.4 Removal of inorganic matter
13.5 Removal of organic matter
14 Data processing
14.1 General aspects
14.2 Single spectra/chromatogram interpretation
14.3 Interpretation of large spectra/chromatogram data sets
15 Aspects of analytical quality assurance
15.1 Reference materials
15.2 Performance of interlaboratory comparison tests
Annex A (informative) Advanced Data Processing
Bibliography