ISO 20579-4:2018
(Main)Surface chemical analysis — Guidelines to sample handling, preparation and mounting — Part 4: Reporting information related to the history, preparation, handling and mounting of nano-objects prior to surface analysis
Surface chemical analysis — Guidelines to sample handling, preparation and mounting — Part 4: Reporting information related to the history, preparation, handling and mounting of nano-objects prior to surface analysis
ISO 20579-4:2018 identifies information to be reported in a datasheet, certificate of analysis, report or other publication regarding the handling of nano-objects in preparation for surface chemical analysis. This information is needed to ensure reliability and reproducibility of analyses needed to advance research and technology using these materials, and for obtaining appropriate understanding of potential nano-object environmental and biological impacts. Such information is in addition to other details associated with specimen synthesis, processing history and characterization, and should become part of the data record (sometimes identified as provenance information) regarding the source of the material and changes that have taken place since it was originated. ISO 20579-4:2018 includes informative annexes that summarize challenges associated with nano-objects that highlight the need for increased documentation and reporting in a material data record (Annex A) and provide examples of methods commonly used to extract particles from a solution for surface chemical analysis (Annex B). An example set of relevant sample data is shown in Annex C. ISO 20579-4:2018 does not define the nature of instrumentation or operating procedures needed to ensure that the analytical measurements described have been appropriately conducted.
Analyse chimique des surfaces — Lignes directrices pour la manipulation, préparation et montage des échantillons — Partie 4: Exigences de rapport sur les nanomatériaux, défis en matière d'analyse et méthodes d'extraction des solutions
General Information
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 20579-4
First edition
2018-04
Surface chemical analysis —
Guidelines to sample handling,
preparation and mounting —
Part 4:
Reporting information related to the
history, preparation, handling and
mounting of nano-objects prior to
surface analysis
Analyse chimique des surfaces — Lignes directrices pour la
manipulation, préparation et montage des échantillons —
Partie 4: Exigences de rapport sur les nanomatériaux, défis en matière
d'analyse et méthodes d'extraction des solutions
Reference number
ISO 20579-4:2018(E)
©
ISO 2018
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ISO 20579-4:2018(E)
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ii © ISO 2018 – All rights reserved
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ISO 20579-4:2018(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Provenance information to be collected or retained regarding the history, handling,
storage and processing of nano-objects prior to submission for surface analysis .2
4.1 Information record . 2
4.2 As-synthesized and as-prepared materials . 3
4.3 After testing, exposure, treatment or retrieval . 4
5 Information to be reported related to preparing and mounting of nanomaterials for
surface chemical analysis . 4
5.1 General . 4
5.2 Initial form or packaging of sample . 4
5.3 Analysis objective or special requirements . 4
5.4 Description of method used to prepare samples for analysis . 4
5.5 Method of mounting sample for analysis (see ISO 20579-1 and ISO 20579-2
for examples) . 5
Annex A (informative) Needs for enhanced documentation and application of surface
chemical analysis methods to assist in identifying and avoiding artefacts and
misinterpretations involving research and applications of nano-objects .6
Annex B (informative) Example methods for extraction of nano-objects from solution for
surface analysis and issues for dispersion of dry
...
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