Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
 Home  > Comparisons Search  > News
Key and supplementary comparisons - News
Related links
• KCDB Statistics
• KCDB FAQs
• CIPM MRA
• JCRB
• Find my NMI
• Metrologia
Contact us
• BIPM.KCDB@bipm.org
Select the time interval using the box below
Access news
  Time interval
12 March 2010
  Key comparison CCQM-K60
Publication of CCQM-K60 results. This is a key comparison of measurements of total selenium and selenomethionine in selenised wheat flour.
11 March 2010
  Key comparison SIM.EM.BIPM-K10.b.1
Publication of SIM.EM.BIPM-K10.b.1 results linked to those of BIPM.EM-K10.b. These are key comparisons of 10 V DC voltage using Josephson standards.
24 February 2010
  Key comparison CCQM-K67
Publication of CCQM-K67 results. This is a key comparison of measurements of the composition of Fe-Ni alloy films.
17 February 2010
  Key comparison COOMET.QM-K1.a
Publication of COOMET.QM-K1.a results, linked to those of CCQM-K1.a for nominal values of 100 µmol/mol and 1000 µmol/mol for the amount-of-substance fraction of carbon monoxide in nitrogen.
15 February 2010
  Key comparison BIPM.RI(II)-K1.Co-60
Update of BIPM.RI(II)-K1.Co-60 results to include IFIN-HH, NIST and BEV results from 2007. This is a BIPM key comparison of activity of radionuclide Co-60.
11 February 2010
  Key comparisons BIPM.EM-K11.a and BIPM.EM-K11.b
Update of results of the BIPM key comparisons BIPM.EM-K11.a and BIPM.EM-K11.b, on 1.018 V and 10 V DC voltage, respectively, using Zener diodes.
10 February 2010
  Key comparison CCQM-K48
Publication of CCQM-K48 results. This is a key comparison of measurements of amount content of chloride in potassium chloride.
08 February 2010
  Supplementary comparisons COOMET.RI(II)-S2.Cs-137 and COOMET.RI(II)-S2.Eu-152
Publication of COOMET.RI(II)-S2.Cs-137 and COOMET.RI(II)-S2.Eu-152 Final Reports. These are COOMET supplementary comparisons of specific activity of Cs-137 and Eu-152 radionuclide, respectively.
25 January 2010
  Supplementary comparison COOMET.T-S1
Publication of COOMET.T-S1 Final Report. This is a COOMET supplementary comparison of national standards of temperature in the range from the triple point of water to the freezing point of zinc.
23 January 2010
  Key comparison EUROMET.AUV.V-K1.1
Publication of EUROMET.AUV.V-K1.1 results linked to those of CCAUV.V-K1. These are key comparisons of vibration acceleration.
22 January 2010
  Key comparison CCQM-K51
Publication of CCQM-K51 results. This is a key comparison of measurements of amount-of-substance fraction of Carbon monoxide in Nitrogen.
21 January 2010
  Key comparison CCQM-K56
Publication of CCQM-K56 results. This is a key comparison of measurements of mass fraction of nutritious elements in whole fat soybean powder.
21 January 2010
  Key comparison BIPM.RI(I)-K1

Addition of NPL, NRC and BEV data to BIPM.RI(I)-K1 results. It is a key comparison of measurement of air kerma in Cobalt 60.
18 January 2010
  Key comparison CCQM-K50
Publication of CCQM-K50 results. This is a key comparison of measurements of mass fraction of PAHs in soil and particulate matters.
14 January 2010
  Key comparison CCPR-K2.a
Publication of CCPR-K2.a results. This is a key comparison of measurement of spectral responsivity at 15 different wavelengths from 900 nm to 1600 nm.
12 January 2010
  Key comparison CCQM-K53
Publication of CCQM-K53 results. This is a key comparison of measurements of amount-of-substance fraction of Oxygen in Nitrogen.
11 January 2010
  Key comparison CCQM-K65
Publication of CCQM-K65 results. This is a key comparison of measurements of amount-of-substance fractions of methyl and ethyl mercaptan in methane.
09 January 2010
  Key comparison SIM.M.FF-K4
Publication of SIM.M.FF-K4 results, linked to those of CCM.FF-K4. These are key comparisons of measurements of liquid volumes.
06 January 2010
  Key comparison COOMET.M.M-K1
Publication of COOMET.M.M-K1 results, linked to those of CCM.M-K1. These are key comparisons of 1 kg stainless steel mass standards.
05 January 2010
  Key comparison BIPM.RI(II)-K1.Na-22
Update of results of BIPM.RI(II)-K1.Na-22 with data from CIEMAT, PTB and NMISA. This is a key comparison of activity of radionuclide Na-22.
05 January 2010
  Key comparison CCQM-K34.2
Publication of CCQM-K34.2 results, linked to those of CCQM-K34. These are key comparisons of Electrochemistry.
04 January 2010
  Key comparison APMP.QM-K1.c
Publication of APMP.QM-K1.c results, linked to those of CCQM-K1.c. These are key comparisons of measurements of Nitrogen monoxide in Nitrogen.
04 January 2010
  Supplementary comparison EURAMET.EM-S30
Publication of EURAMET.EM-S30 Final Report. This is a EURAMET supplementary comparison of measurements of current transformers.