BSI PD CEN/TS 18267:2026

Current Revision
Nanotechnologies. Guidelines for sample preparation, detection, identification and characterization by spICP-MS and EM-EDX of nano-objects in inorganic additives incorporated in food matrices

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BSI PD CEN/TS 18267:2026

Nanotechnologies. Guidelines for sample preparation, detection, identification and characterization by spICP-MS and EM-EDX of nano-objects in inorganic additives incorporated in food matrices

PUBLISH DATE 2026
PAGES 80
BSI PD CEN/TS 18267:2026

This document provides guidance to the food industry, service providers and control laboratories on methodologies to be used for sample preparation, detection, identification and measurement of nano objects in inorganic food additives incorporated in food matrices.

Electron microscopy combined with energy dispersive X-ray spectroscopy (EM-EDX) and inductively coupled plasma mass spectrometry (ICP-MS) operated in single particle mode (spICP-MS) are the selected measurement methodologies to provide information on:

  • (i) the chemical composition
  • (ii) number-based particle size distribution of the nano-objects

Special attention is given to the sample preparation, including matrix digestion, sample extraction and dilution steps to be used according to the combination of:

  • (i) the chemical nature of the food additive,
  • (ii) the type of food matrix, and
  • (iii) the analytical technique of choice (EM-EDX or spICP-MS).
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