Comparison
Comparison close
Results

BIPM.RI(II)-K1.Ac-225

 

MEASURAND   SIR equivalent activity of Ac-225

 

As PTB is presently the first and only participant in the comparison, neither a key comparison reference value (KCRV), nor the degrees of equivalence can be calculated.

Comparison
Comparison close
Results

BIPM.RI(II)-K1.Ac-225

 

MEASURAND   SIR equivalent activity of Ac-225

 

As PTB is presently the first and only participant in the comparison, neither a key comparison reference value (KCRV), nor the degrees of equivalence can be calculated.

Comparison
Comparison close
BIPM comparison
Linked comparison
BIPM.RI(II)-K1.Ac-225
Metrology area, Sub-field Ionizing Radiation, Section II (Measurement of Radionuclides)
Description Activity of radionuclide Ac-225
Time of measurements 2019 -
Status Continuous
Final Reports of the comparisons
Measurand SIR equivalent activity
Transfer device Radioactive solution
Comparison type Key Comparison
Consultative Committee CCRI (Consultative Committee for Ionizing Radiation)
Conducted by BIPM (Bureau International des Poids et Mesures)
Comments
SIR: Système International de Référence, International Reference System
First and most recent results published on 14 September 2021.
The status for not yet completed comparisons is indicated in "Participants".
 
Pilot institute BIPM
Bureau International des Poids et Mesures
BIPM - International Organization
Contact person Carine Michotte

+33 (0) 1 45 07 70 85
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
BIPM

Bureau International des Poids et Mesures, BIPM - International Organization, N/A

POLATOM

Radioisotope Centre Polatom, Poland, EURAMET

Report in progress, draft B

PTB

Physikalisch-Technische Bundesanstalt, Germany, EURAMET

Comparison
Comparison close
Results

BIPM.RI(II)-K1.Ac-225

 

MEASURAND   SIR equivalent activity of Ac-225

 

As PTB is presently the first and only participant in the comparison, neither a key comparison reference value (KCRV), nor the degrees of equivalence can be calculated.

Comparison
Comparison close
Results

BIPM.RI(II)-K1.Ac-225

 

MEASURAND   SIR equivalent activity of Ac-225

 

 

xi   measured mass fraction reported by laboratory iLabi

ui   combined standard uncertainty of xi