Results for: Czechia "CHMU/CHMI"
Filters
CMC Quick search Filters close;
?
Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

In case of multiple search, please use ADVANCED SEARCH.
11 results
Reset all
CMC Area
To filter, either use the tick boxes or click on the underscored item
Geographical location
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Czechia, CHMU/CHMI (Czech Hydrometeorological Institute)
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 nmol/mol Amount-of-substance fraction in Absolute expanded uncertainty in
air benzene 0.5 to 1.7 0.1 to 0.2
air toluene 0.5 to 1.7 0.1 to 0.2
air xylene 0.5 to 1.7 0.1 to 0.2
  • Mechanism for measurement service delivery : Calibration
  • Approved on 01 March 2005
  • Institute service identifier : 2284-005
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
air benzene 1.7 to 50 1.2E1 to 1.1E1
air toluene 1.7 to 50 1.2E1 to 1.1E1
air xylene 1.7 to 50 1.2E1 to 1.1E1
  • Mechanism for measurement service delivery : Calibration
  • Approved on 01 March 2005
  • Institute service identifier : 2284-005
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 nmol/mol Amount of substance fraction in
air, nitrogen nitrogen monoxide 10 to 60 7.7
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-002
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 nmol/mol Amount of substance fraction in
air, nitrogen nitrogen monoxide 60 to 500 7.7 to 8
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-002
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 nmol/mol Amount-of-substance fraction in Absolute expanded uncertainty in
purified air ozone 0 to 1000
  • Uncertainty equation CMC : Q[1.1, 0.022 x(O3)]

    The uncertainty is expressed in nmol/mol

  • Mechanism for measurement service delivery : Calibration
  • The notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
  • Approved on 08 July 2015
  • Institute service identifier : 2284-004
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 nmol/mol Amount of substance fraction in
air sulphur dioxide 60 to 500 4.6 to 9
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-001
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 nmol/mol Amount of substance fraction in
air sulphur dioxide 10 to 60 4.6
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-001

Select Metrology Area

General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.