Update of the BIPM comparison BIPM.RI(II)-K1.F-18 of activity measurements of the radionuclide ¹⁸F to include the 2010 result of the LNE-LNHB (France) (with erratum)

Since 2001, six national metrology institutes (NMI) have submitted seven samples of known activity of ¹⁸F to the International Reference System (SIR) for activity comparison at the Bureau International des Poids et Mesures (BIPM), with comparison identifier BIPM.RI(II)-K1.F-18. The values of the activity submitted were between about 1 MBq and 18 MBq. The primary standardization result for the LNE-LNHB, France, replaces their earlier result of 2002 and the key comparison reference value (KCRV) has been recalculated. In the frame of the BIPM.RI(II)-K4.F18 comparison, the NPL updated his result in the KCDB. Consequently there are now five results in the BIPM.RI(II)-K1.F-18 comparison. The degrees of equivalence between each equivalent activity measured in the SIR and the updated KCRV have been calculated and the results are given in the form of a table. A graphical presentation is also given. (authors)