Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
Key and supplementary comparisons - Information
CCQM-K20
Information
Pilot / Contact
Participants
Results
Print out
Related links
KCDB Statistics
KCDB FAQs
KCDB Reports
CIPM MRA
JCRB
Find my NMI
Metrologia
Contact us
BIPM.KCDB@bipm.org
CCQM-K20
Information
Metrology area, branch   Amount of Substance, Electrochemistry
Description   pH measurement of tetroxalate buffer solutions
Time of measurement   2007
Status   Approved for equivalence, Results available
Reference(s)   Metrologia, 2009, 46, Tech. Suppl., 08022
Measurand   pH ~ 1.7
Parameter(s)   Temperature: 15 °C, 25 °C and 37 °C
Transfer device(s)   Tetroxalate buffer solutions
Comparison type   Key comparison
Consultative Committee  CCQM (Consultative Committee for Amount of Substance)
Conducted by   CCQM (Consultative Committee for Amount of Substance)