ISO/TR 21386:2019
Nanotechnologies — Considerations for the measurement of nano-objects and their aggregates and agglomerates (NOAA) in environmental matrices
This document provides some considerations for the collection of environmental samples to be analysed for manufactured NOAA, considerations to distinguish manufactured NOAA from background levels of naturally occurring nanoscale particles of the same composition, and preparation procedures to aid in the quantification of manufactured NM in environmental matrices.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General considerations
5.1 General
5.2 Considerations for determining background levels of NM
5.3 Distribution of NM in the environment
5.4 Interaction with materials in environmental matrices
5.5 Real-time measurements versus integrated versus spot sampling
5.6 Preparing samples for analysis
5.7 Characterization and quantitation of NOAA
6 Considerations for sampling and analysing NOAA in air
6.1 General considerations
6.2 Transformations and dispersion in the environment
6.3 Sampling considerations
6.4 Preparation for analysis
6.5 Detection and quantitation
7 Considerations for sampling and analysing NOAA in surface water
7.1 General
7.2 Transformations and dispersion in the environment
7.3 Sampling considerations
7.4 Preparation for analysis
7.5 Detection and quantitation
7.5.1 Metal NM
7.5.2 Metal oxide NM
7.5.3 Carbon-based NM
8 Considerations for sampling and analysing NOAA in sea water
8.1 Transformations and interaction with materials in the environment
8.2 Sampling considerations
8.3 Preparation for analysis
8.4 Detection and quantitation
9 Considerations for sampling and analysing NOAA in sediment
9.1 Transformations and interaction with materials in the environment
9.2 Sampling considerations
9.3 Preparation for analysis
9.4 Detection and quantitation
10 Considerations for sampling and analysing NOAA in soil
10.1 Transformations and interaction with materials in the environment
10.2 Sampling considerations
10.3 Preparation for analysis
10.4 Detection and quantitation
Annex A (informative) Instrumentation/techniques used to quantify and characterize NOAA
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General considerations
5.1 General
5.2 Considerations for determining background levels of NM
5.3 Distribution of NM in the environment
5.4 Interaction with materials in environmental matrices
5.5 Real-time measurements versus integrated versus spot sampling
5.6 Preparing samples for analysis
5.7 Characterization and quantitation of NOAA
6 Considerations for sampling and analysing NOAA in air
6.1 General considerations
6.2 Transformations and dispersion in the environment
6.3 Sampling considerations
6.4 Preparation for analysis
6.5 Detection and quantitation
7 Considerations for sampling and analysing NOAA in surface water
7.1 General
7.2 Transformations and dispersion in the environment
7.3 Sampling considerations
7.4 Preparation for analysis
7.5 Detection and quantitation
7.5.1 Metal NM
7.5.2 Metal oxide NM
7.5.3 Carbon-based NM
8 Considerations for sampling and analysing NOAA in sea water
8.1 Transformations and interaction with materials in the environment
8.2 Sampling considerations
8.3 Preparation for analysis
8.4 Detection and quantitation
9 Considerations for sampling and analysing NOAA in sediment
9.1 Transformations and interaction with materials in the environment
9.2 Sampling considerations
9.3 Preparation for analysis
9.4 Detection and quantitation
10 Considerations for sampling and analysing NOAA in soil
10.1 Transformations and interaction with materials in the environment
10.2 Sampling considerations
10.3 Preparation for analysis
10.4 Detection and quantitation
Annex A (informative) Instrumentation/techniques used to quantify and characterize NOAA
Bibliography