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 | 8.8 to 9.5 | 3.0E-3 | 8.8 to 9.5 | 4.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in S/m | Absolute expanded uncertainty in S/m | Electrolytic conductivity in | Absolute expanded uncertainty in | |
aqueous solution | 0.15 to 1.5 | 6.0E-4 to 6.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | ||
aqueous pH buffer solution | 9.5 to 10.5 | 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 pH buffer solution | 3.5 to 4.5 | 5.0E-3 | 3.5 to 4.5 | 5.0E-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 pH buffer solution | 6.5 to 7.5 | 5.0E-3 | 6.5 to 7.5 | 5.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in mS/m | Absolute expanded uncertainty in mS/m | Electrolytic conductivity in | Absolute expanded uncertainty in | |
aqueous solution | 1.5 to 15 | 4.0E-3 to 4.0E-2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in ng/kg | Absolute expanded uncertainty in % | Mass fraction in | Absolute expanded uncertainty in | ||
water | 17alpha-ethynylestradiol | 10 to 50 | 1.0E1 to 5.0E1 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in ng/kg | Absolute expanded uncertainty in % | Mass fraction in | Absolute expanded uncertainty in | ||
water | 17beta-estradiol | 10 to 50 | 1.0E1 to 3.5E1 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Relative expanded uncertainty in % | Mass fraction in | |||
multicomponent organic solution | acenaphthene | 0.1 to 100 | 2.0E1 to 2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Relative expanded uncertainty in % | Mass fraction in | |||
multicomponent organic solution | acenaphthylene | 0.1 to 100 | 2.0E1 to 2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Amount-of-substance fraction in nmol/mol | Relative expanded uncertainty in % | Amount-of-substance fraction in nmol/mol | Relative expanded uncertainty in % | ||
air, nitrogen | ammonia | 2 to 400 | 1.6 to 1.1 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Relative expanded uncertainty in % | Mass fraction in | |||
multicomponent organic solution | anthracene | 0.1 to 100 | 2.0E1 to 2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Mass fraction in mg/kg | Relative expanded uncertainty in % | Mass fraction in µg | Relative expanded uncertainty in % | ||
atmospheric particles | arsenic | 10 to 100 | 1.3E1 | 0.47 | 1.3E1 |
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 % | Mass fraction in | Absolute expanded uncertainty in | ||
solid food (fish tissue) | arsenic | 1 to 50 | 5 to 1.0E1 |
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 % | Absolute expanded uncertainty in % | ||
animal tissues | arsenic | 5 to 1000 | 1.2E1 to 1.5E1 |
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 % | Mass fraction in | Absolute expanded uncertainty in | ||
herb | arsenic | 1 to 50 | 5 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 | Relative expanded uncertainty in % | Mass fraction in | |||
acetonitrile | atrazine | 0.1 to 10 | 2 to 3.5 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Amount-of-substance fraction in µmol/mol | Relative expanded uncertainty in % | Amount-of-substance fraction in µmol/mol | Relative expanded uncertainty in % | ||
synthetic air | benzene | 1 to 100 | 2 to 1 | 1 to 100 | 0.3 to 0.2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Amount-of-substance fraction in µmol/mol | Relative expanded uncertainty in % | Amount-of-substance fraction in µmol/mol | Relative expanded uncertainty in % | ||
nitrogen | benzene | 1 to 100 | 2 to 1 | 1 to 100 | 0.3 to 0.2 |
Matrix or material | Analyte or component | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Amount-of-substance fraction in nmol/mol | Absolute expanded uncertainty in % | Amount-of-substance fraction in | Absolute expanded uncertainty in | ||
nitrogen | benzene | 1 to 100 | 2 to 0.7 |
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.