The International Organization for Standardization (ISO) published a news item on April 1, 2021, entitled “The Science of Tiny Little Things.” According to the item, ISO has recently made some revisions and updates to its comprehensive 13-part series of International Standards for nanotechnology. Updated standards include ISO/TS 80004-3, Nanotechnologies – Vocabulary –
ISO
ISO Publishes Standards Regarding Measurements of Nanoparticle Size and Shape Distribution and Polymeric Nanocomposite Films for Food Packaging with Barrier Properties
The International Organization for Standardization (ISO) has published two nanotechnology standards:
- ISO 21363:2020, “Nanotechnologies — Measurements of particle size and shape distributions by transmission electron microscopy”: The standard specifies how to capture, measure, and analyze transmission electron microscopy images to obtain particle size and shape distributions in the nanoscale. According to ISO, the
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NIOSH Publishes Program Performance One-Pager for Nanotechnology Research Center
On June 25, 2020, the National Institute for Occupational Safety and Health (NIOSH) published a Nanotechnology Research Center (NTRC) Program Performance One-Pager (PPOP). NTRC conducts research to understand the potential effects on human health of exposure to engineered nanomaterials (ENM) and develops methods to control or eliminate exposures. According to the PPOP, NTRC’s accomplishments include…
ISO Publishes Standard on Characterization and Measurement of Nano-Object-Assembled Layers for Electrochemical Bio-Sensing Applications
The International Organization for Standardization (ISO) has published standard ISO/TS 21412:2020, “Nanotechnologies — Nano-object-assembled layers for electrochemical bio-sensing applications — Specification of characteristics and measurement methods.” The standard specifies the characteristics to be measured of nano-object-assembled layers on electrodes by means of a solution process and of nano-objects constituting the layers for electrochemical…
ISO Publishes Standard on Characterization of CNT Samples Using Thermogravimetric Analysis
The International Organization for Standardization (ISO) has published standard ISO/TS 11308:2020, “Nanotechnologies — Characterization of carbon nanotube samples using thermogravimetric analysis.” The standard provides guidelines for the characterization of carbon nanotube (CNT)-containing samples by thermogravimetric analysis (TGA), performed in either an inert or oxidizing environment. The standard offers guidance on the purity assessment…
ISO Publishes Standard Specifying Characteristics and Measurement Methods for Air Filter Media Containing Polymeric Nanofibers
The International Organization for Standardization (ISO) has published standard ISO/TS 21237:2020, “Nanotechnologies — Air filter media containing polymeric nanofibres — Specification of characteristics and measurement methods.” According to ISO, in recent years, air filter media containing nanofibers have been commercialized and widely used by different industries due to their high filtration efficiency, along…
ISO Standard Specifies Characteristics and Measurement Methods for Carbon Nanotube Suspensions
The International Organization for Standardization (ISO) has published standard ISO/TS 19808:2020, “Nanotechnologies — Carbon nanotube suspensions — Specification of characteristics and measurement methods.” The standard specifies the characteristics to be measured of suspensions containing multi-walled carbon nanotubes (carbon nanotube suspensions). The standard includes the essential and additional characteristics of the carbon nanotube suspension,…
ISO Standard Specifies Method for Testing Photocatalytic Activity of Nanoparticles for NADH Oxidation
The International Organization for Standardization (ISO) has published standard ISO 20814:2019, “Nanotechnologies — Testing the photocatalytic activity of nanoparticles for NADH oxidation.” The standard specifies a method for the measurement of the photocatalytic activity (PCA) of nanoparticles (NP), suspended in an aqueous environment in physiologically relevant conditions, by measuring the ultraviolet (UV)-induced nicotine…
ISO Standard Specifies Characteristics and Measurement Methods for Layered Clay Nanomaterials
The International Organization for Standardization (ISO) has published standard ISO/TS 21236-1:2019, “Nanotechnologies — Clay nanomaterials — Part 1: Specification of characteristics and measurement methods for layered clay nanomaterials.” The standard specifies characteristics to be measured of layered clay nanomaterials in powder form and chemically modified ones and describes their relevant measurement methods. According…
ISO Guidance Specifies Characteristics and Measurement Methods for Antibacterial Silver Nanoparticles
The International Organization for Standardization (ISO) has published standard ISO/TS 20660:2019, “Nanotechnologies — Antibacterial silver nanoparticles — Specification of characteristics and measurement methods.” The standard provides guidance for the specification of characteristics and relevant measurement methods for silver nanoparticles in powder or colloidal forms that are intended for antibacterial applications in nanotechnology. ISO…