ISO/TC 229/WG 4 - Material specifications

This document specifies characteristics to be measured of magnetic beads in suspension and powder forms for nucleic acid extraction applications. This document deals with magnetic beads that contain a substantial amount of magnetic nanoparticles (which can be superparamagnetic). Potential applicable measurement methods are listed for the individual characteristics. Specifically, this document lists critical characteristics of magnetic beads and suspensions, and additional characteristics to describe the magnetic beads and the suspension for nucleic acid extraction. Health, safety and environmental aspects of magnetic beads are not within the scope of this document.

This document specifies characteristics to be measured and measurement methods for clay nanoplate samples in powder and suspension forms used for gas-barrier films. In addition, measurement protocols for the individual characteristics are described. This document does not deal with characteristics of post-manufacturing modification of clay nanoplates. This document does not cover considerations specific to health and safety issues either during manufacturing or use.

This document specifies characteristics to be measured of nanostructured porous alumina in powder form as catalyst support for vehicle exhaust emission control and their relevant measurement methods. It includes critical characteristics that are required to be measured and additional characteristics that are recommended to be measured, based upon agreement between the interested parties. Measurement methods for each characteristic are recommended. This document is applicable to nanostructured porous alumina for gasoline-powered cars. It does not apply to characteristics specific for health, the environment and safety issues.

This document specifies the fundamental characteristics to be measured of a sample of engineered nanoparticles in powder form to determine the size, the chemical content and the surface area. This document also specifies measurement methods for determining each of the characteristics. It is intended to facilitate communication among consumers, regulators and industries with the necessary characteristics. It excludes characteristics that pertain to specific industrial applications of nanoparticles in powder form and detailed measurement protocols, as well as characteristics related to health, safety and environmental issues.

This document specifies characteristics including barrier properties to be measured of polymeric nanocomposite films used for improving food packaging. The barrier properties cover gas (oxygen), water vapour transmission and UV-Vis light transparency. This document also describes the relevant measurement methods. This document addresses neither safety and health issues related to the food packaging nor environmental aspects.

This document 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 applications such as nano-biosensor or diagnosis applications. It also provides measurement methods for determining the characteristics. It does not apply to: — the requirements of nanostructures by top-down nanomanufacturing; — the subsequent coating of materials such as biomaterials onto nano-object-assembled layers; — specific health and safety requirements during manufacturing; — the experimental conditions of electrochemical sensing; — the packaging, labelling, expiratory dates and transport of nano-object-enhanced electrochemical electrodes.

This document specifies the characteristics to be measured of air filter media containing polymeric nanofibres on the surfaces of a substrate. It also describes measurement methods for determining the individual characteristics. This document does not cover characteristics specific for health and safety issues. NOTE The properties/performances assessment of air filter media related to applications requires the use of relevant published standards. The physical properties and performances of filtration media, such as pressure drop, and the particle removal efficiency of air filter media are measured with test methods suitable for specific applications.

This document specifies the characteristics to be measured of suspensions containing multi-walled carbon nanotubes (CNT suspensions). It includes the essential and additional characteristics of the CNT suspension, and the corresponding measurement methods. Characteristics specific to health, environmental and safety issues are excluded from this document. WARNING — The use of this document can involve hazardous materials, operations and equipment. It does not purport to address all of the safety or environmental problems associated with its use. The execution of this document is entrusted to appropriately qualified and experienced people.

This document specifies characteristics to be measured of layered clay nanomaterials in powder form and chemically modified ones, and describes their relevant measurement methods. This document does not deal with health, safety and environmental issues.

This document specifies the characteristics of magnetic nanosuspensions to be measured and lists measurement methods for measuring these characteristics. This is a generic document and does not deal with any particular application.

ISO/TS 11931:2012 provides requirements to describe the basic characteristics of nanoscale calcium carbonate in powder form relevant for applications in nanotechnology. It is intended to detail the material specification necessary to use CaCO3 in the applications related to nanotechnology. It does not cover characteristics specific for health and safety issues, and for specific applications of nanoscale CaCO3.

ISO/TS 11937 provides requirements to describe the basic characteristics of titanium dioxide in powder form relevant for applications in nanotechnology. It is intended to detail the materials specification necessary to use titanium dioxide in the applications related to nanotechonology. It is limited to dry powders and does not include materials dispersed or suspended in water or solvents. It does not cover characteristics for health and safety issue, and for specific application of titanium dioxide or for surface modification, if coated.

ISO/TS 12805:2011 provides guidance on the preparation of specifications for the characteristics of manufactured nano-objects and their measurement methods. This is intended to help ensure the delivery of products with consistent properties for subsequent processing and/or final product performance. ISO/TS 12805:2011 includes guidance on specifying the physical and chemical characteristics of manufactured nano-objects, which might affect performance or subsequent processing.