Final report of APMP.QM-K46 ammonia in nitrogen at 30 μmol/mol level

This report describes the results for a bilateral comparison of ammonia in nitrogen gas mixture. The nominal amount-of-substance fraction was 30 μmol/mol.Main text To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/.The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).