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Key and supplementary comparisons - Results
BIPM.QM-K1
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    · 80 nmol/mol
    · 420 nmol/mol
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BIPM.QM-K1
Results

First results published on 09 April 2008
Last update: 01 September 2017

BIPM key comparison of ozone mole fraction in dry air

Click on one of the following links to access results:

  80 nmol/mol
420 nmol/mol

 

Link is provided to the following PDF file:

Results published in the KCDB take into account the upgrade of the BIPM reference Photometer SRP27 which occured in March 2009, as explained in Rapport BIPM-2010/07. They thus slightly differ from the values published in the page Participants for measurements carried out before March 2009.