Inter-laboratory comparisons

Nano-object of interest
Targeted property
Measurement technology

Inter-laboratory comparisons & proficiency testing

These are two different types of exercise in which the same sample is characterized by several laboratories. In the first case, the reference value is not necessarily known, and the aim is to evaluate a method, validate a protocol or give a value to a reference material. In the second case, the value to be obtained is known to the exercise leader, and the participating laboratories can assess their skills and mastery of the protocol. This latter type of exercise is the basis for COFRAC accreditation of testing laboratories.

Validating a protocol
Evaluate the performance of a measurement technique
Access to best practices
Evaluate yourself / Compare yourself to expert players

Inter-comparisons in progress

Current inter-laboratory comparisons are listed below to help you identify those that may be relevant to your activities.
Don't hesitate to contact the organizers or the Association secretariat to find out more!
CIL NMF

Inter-laboratory comparison

Themes : Identification of nanomaterials 

Objective:Take stock of the performance of analysis tools (manual or automatic) scanning electron microscopy (SEM) images

Organizer: NanoMesureFrance 

Calendar : April 2025 - December 2025

Registration : April 15 to May 31, 2025

Contact: secretariat@nanomesurefrance.fr

Find out more: Call for entries (FR) ; Call for participation (EN)

CIL

Inter-laboratory comparison

Themes : Graphene

Objective: Validating a protocol for measuring the lateral size of graphene oxide flakes by Scanning Electron Microscopy (SEM)

Organizer: VAMAS 

Calendar : September 2023 - December 2024

Registration : Fenced

Contact: dan.hodoroaba@bam.de

More information

CIL

Inter-laboratory comparison

Themes : Micro and Nanoplastics

Objective: Validate the performance of microscopy and spectroscopy methods (µ-IR, µRaman) and thermogravimetric methods (Py-GC/MS, TED-GC/MS) for measuring the particle size distribution, shape, mass content and particle number concentration of microplastic particles (MPs). 

Organizer: VAMAS 

Calendar : January 2023 - December 2024

Registration : Fenced

Contact: Korinna.Altmann@bam.de

More information 

CIL

Inter-laboratory comparison

Themes : RAMAN spectroscopy

Objective: Lateral resolution measurement RAMAN microscopy with nanowire artifacts  

Organizer: VAMAS 

Calendar : August 2022 - December 2024

Registration : Fenced

Contact: sebastian.wood@npl.co.uk

CIL

Inter-laboratory comparison

Themes : Solubility and dissolution rate of nanomaterials 

Objective: Validating a Guideline OECD dedicated to assessing the solubility and dissolution rate of nanomaterials  

Organizer: OECD

Calendar : October 2023 - June 2024

Registration : Fenced

Contact:frank.von.der.kammer@univie.ac.at and boris.meisterjahn@ime.fraunhofer.de