Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
water | 3.8 to 4.2 | 4.6E-3 | 3.8 to 4.2 | 6.0E-3 to 1.0E-2 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 6.84 to 6.98 | 4.0E-3 | 6.861 to 6.869 | 4.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 9.5 to 10.5 | 3.9E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in S/m | Relative expanded uncertainty in % | Electrolytic conductivity in S/m | Relative expanded uncertainty in % | |
aqueous solution (KCl or NaCl) | 0.15 to 1.5 | 5.0E-2 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 8.95 to 9.47 | 3.6E-3 | 9.176 to 9.184 | 8.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 3.55 to 3.56 | 4.0E-3 | 3.553 to 3.561 | 4.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 4 to 4.08 | 4.0E-3 | 4.001 to 4.009 | 4.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in S/m | Relative expanded uncertainty in % | Electrolytic conductivity in S/m | Relative expanded uncertainty in % | |
aqueous solutions, multi-component aqueous salt solutions (sea water) | 1.00E-3 to 9.999 | 0.3 to 5.0E-2 | 1.00E-3 to 9.999 | 0.3 to 5.0E-2 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous buffer solution | 6.8 to 7.5 | 6.0E-3 to 8.0E-3 | 6.86 to 7.41 | 1.0E-2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Absolute expanded uncertainty in mg/kg | Mass fraction in | |||
leather materials | arsenic | 10 to 100 | 1 to 7 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Absolute expanded uncertainty in mg/kg | Mass fraction in | |||
leather materials | cadmium | 10 to 100 | 0.35 to 2.5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Absolute expanded uncertainty in mg/kg | Mass fraction in | |||
leather materials | cobalt | 10 to 100 | 0.3 to 2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Absolute expanded uncertainty in µg/kg | Mass fraction in | Absolute expanded uncertainty in | ||
fresh water | copper | 1 to 100 | 0.11 to 8 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Absolute expanded uncertainty in µg/kg | Mass fraction in | Absolute expanded uncertainty in | ||
fresh water | lead | 0.1 to 100 | 1.5E-2 to 1.0E1 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Absolute expanded uncertainty in mg/kg | Mass fraction in | |||
leather materials | lead | 10 to 100 | 0.4 to 3 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Absolute expanded uncertainty in mg/kg | Mass fraction in | Absolute expanded uncertainty in | ||
fresh water | sodium | 0.5 to 50 | 3.5E-2 to 2.5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Absolute expanded uncertainty in µg/kg | Mass fraction in | Absolute expanded uncertainty in | ||
fresh water | strontium | 1 to 100 | 5.0E-2 to 3.5 |
This metrology area covers the fields of acoustics, ultrasound and vibration.
This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.
This metrology area covers the fields of laser frequencies and dimensional metrology.
This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.
This metrology area covers all fields relevant to chemistry and biology.
This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.