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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 standard is broadly applicable to nano-objects, as well as to particles with sizes larger than 100 nanometers (nm).  ISO states that the exact working range of the method depends on the required uncertainty and on the performance of the transmission electron microscope.  These elements can be evaluated according to the requirements described in this document; and

  • ISO/TS 21975:2020, “Nanotechnologies — Polymeric nanocomposite films for food packaging with barrier properties — Specification of characteristics and measurement methods”: The standard specifies characteristics, including barrier properties, to be measured of polymeric nanocomposite films used for improving food packaging.  ISO states that the barrier properties cover gas (oxygen), water vapor transmission, and ultraviolet (UV)-Vis light transparency.  The standard also describes the relevant measurement methods.  ISO notes that the standard addresses neither safety and health issues related to the food packaging nor environmental aspects.

©2020 Bergeson & Campbell, P.C.National Law Review, Volume X, Number 190


About this Author

Lynn Bergeson, Campbell PC, Toxic Substances Control Act Attorney, federal insecticide lawyer, industrial biotechnology legal counsel, Food Drug Administration law
Managing Partner

Lynn L. Bergeson has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology, and other emerging transformative technologies. Her knowledge of and involvement in the policy process allows her to develop client-focused strategies whether...

Carla Hutton, Bergeson Campbell PC, global regulatory attorney, public health activists lawyer, metals industry legal counsel, Toxic Substances Control Act law
Regulatory Analyst

Since 1996, Carla Hutton has monitored, researched, and written about regulatory and legislative issues that may potentially affect Bergeson & Campbell, P.C. (B&C®) clients. She is responsible for creating a number of monthly and quarterly regulatory updates for B&C's clients, as well as other documents, such as chemical-specific global assessments of regulatory developments and trends. She authors memoranda for B&C clients on regulatory and legislative developments, providing information that is focused, timely and applicable to client initiatives. These tasks have proven invaluable to many clients, keeping them aware and abreast of developing issues so that they can respond in kind and prepare for the future of their business.

Ms. Hutton brings a wealth of experience and judgment to her work in federal, state, and international chemical regulatory and legislative issues, including green chemistry, nanotechnology, the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), the Toxic Substances Control Act (TSCA), Proposition 65, and the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) program.