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 pH buffer solution | 6.8 to 7.5 | 4.2E-3 to 5.5E-3 | 6.8 to 7.5 | 4.2E-3 to 5.5E-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 | 0.1 to 1.5 | 0.18 to 0.5 | 0.1 to 1.5 | 0.23 to 0.7 |
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 pH buffer solution | 3.8 to 4.2 | 4.0E-3 to 5.0E-3 | 3.8 to 4.2 | 4.0E-3 to 6.0E-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 solution | 0.016 to 0.1 | 0.35 to 0.9 | 0.016 to 0.1 | 0.35 to 1.2 |
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 pH buffer | 9.5 to 10.5 | 4.0E-3 to 1.2E-2 | 9.5 to 10.5 | 4.0E-3 to 2.0E-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 pH buffer solution | 6.84 to 6.88 | 3.0E-3 to 5.0E-3 | 6.84 to 6.88 | 3.0E-3 to 5.0E-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 solution | 1.50E-3 to 0.01 | 0.83 to 1.7 | 1.50E-3 to 0.01 | 0.86 to 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 pH buffer solution | 8.5 to 9.5 | 4.0E-3 to 5.0E-3 | 8.5 to 9.5 | 4.0E-3 to 1.1E-2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | aluminum | 200 to 1.00E4 | 3.5 to 5 | 200 to 1.00E4 | 3.5 to 5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | arsenic | 5 to 500 | 2.5 to 4 | 5 to 500 | 2.5 to 4 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | cadmium | 4 to 300 | 2 to 4 | 4 to 7 | 2 to 4 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/g | Relative expanded uncertainty in % | Mass fraction in µg/g | Relative expanded uncertainty in % | ||
soil | cadmium | 0.6 to 450 | 7.2 to 5.1 | 0.8 to 1.2 | 7.2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | chromium | 5 to 1.00E4 | 3.5 to 5 | 5 to 1.00E4 | 3.5 to 5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | copper | 2000 to 3000 | 2.5 to 4 | 2000 to 3000 | 2.5 to 4 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in g/g | Relative expanded uncertainty in % | Mass fraction in g/g | Relative expanded uncertainty in % | ||
water | ethanol | 1.00E-4 to 5.00E-3 | 1.4 to 1 | 1.00E-4 to 5.00E-3 | 1.4 to 1 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/g | Relative expanded uncertainty in % | Mass fraction in µg/g | Relative expanded uncertainty in % | ||
milk powder | iron | 5 to 150 | 7 to 8 | 130 to 145 | 7 to 8 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/g | Relative expanded uncertainty in % | Mass fraction in µg/g | Relative expanded uncertainty in % | ||
Quinua | iron | 20 to 100 | 4 to 7 | 30 to 70 | 4 to 7 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
natural water | iron | 300 to 1700 | 3.5 to 5 | 300 to 1200 | 4 to 6 |
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 % | Mass fraction in | Absolute expanded uncertainty in | ||
pisco (alcoholic beverage) | lead | 8 to 100 | 5 to 5.5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in µg/kg | Relative expanded uncertainty in % | Mass fraction in µg/kg | Relative expanded uncertainty in % | ||
multielemental aqueous solution | lead | 15 to 5000 | 2 to 4 | 19 to 30 | 2 to 4 |
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.