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Chemical metrology

Context

The key mission of LNE's chemical metrology laboratory is to improve the metrological traceability and the uncertainty of chemical measurements. To this end it develops primary reference methods which are used to define national references. The national references then serve as a basis for transferring traceability to users, via certified reference materials or continuous metrological chains.

The laboratory's work concerns a wide range of sectors:

  • - the environment (water, air, sediments, gases, etc.)
  • - the agri-food industry
  • - the biomedical sector
  • - the medical/health sector
  • - food safety
  • - ...

Five fields of activity

Electrochemistry:
in response to growing demand for pH reference materials, LNE has developed a pH measurement bench that will extend the range of reference-standard solutions
[More information]
Metrology in organic chemistry:
In order to obtain a relative uncertainty of a few percent in analysis of organic compounds in different matrices, LNE is developing a primary reference method based on isotopic dilution chromatography/mass spectrometry.
[More information]
Metrology in inorganic chemistry:
in order to obtain a relative uncertainty of a few percent in analysis of elements in different matrices, LNE is developing a primary reference method based on isotopic dilution inductively coupled plasma mass spectrometry (ICP-MS).
[More information]
Metrology of gases
LNE's work covers analytical methods (indoor air quality, natural gas), gravimetric preparation of reference standards and a calibration bench for gas microflow measurement.
Bioanalysis:
LNE is working in cooperation with laboratories specializing in proteomics and genomics.
[Philippe Charlet]
 
 

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