Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs Chemistry (459)
CMCs General Physics (425)
CMCs Ionizing Radiation (173)
PHYSICS >
Impedance up to the MHz range
Materials
Photometry
Properties of materials (65)
Temperature (56)
Properties of detectors and sources (55)
Radio frequency measurements (50)
Dimensional metrology (45)
AC voltage, current, and power (20)
Electric and magnetic fields (18)
Fluid flow (14)
Sound in water (11)
DC voltage, current, and resistance (11)
Pressure (11)
Laser frequencies (10)
IONIZING RADIATION >
Fluence rate
Activity (76)
Activity per unit mass (31)
Absorbed dose to water (15)
Emission rate (10)
Air kerma (10)
Surface emission rate (7)
Ambient dose equivalent rate (6)
Personal dose equivalent rate (6)
Emission anisotropy (6)
Activity per unit volume (2)
CHEMICAL MATERIAL >
nitrogen (183)
methane (44)
synthetic air (27)
nitrogen or air (17)
monoelemental solution (14)
CHEMICAL ANALYTE >
methane (21)
carbon dioxide (13)
carbon monoxide (12)
propane (12)
ethane (9)
GEOGRAPHIC LOCATION
EURAMET (1057)
United Kingdom (1050)
Denmark (7)
Result of the search
Your query 'United Kingdom' produced more than 1000 results New search
[<< Prev] 50

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas methane 600 to 980 0.04 600 to 980 0.04
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas ethane 1 to 200 0.3 to 0.2 1 to 200 0.3 to 0.2
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas propane 0.5 to 100 0.15 to 0.12 0.5 to 100 0.15 to 0.12
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas i-butane 0.1 to 15 0.35 to 0.15 0.1 to 15 0.35 to 0.15
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas n-butane 0.1 to 15 0.35 to 0.15 0.1 to 15 0.35 to 0.15
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas neo-pentane 0.2 to 20 2 to 1.5 0.2 to 20 2 to 1.5
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas i-pentane 0.2 to 20 1 to 0.4 0.2 to 20 1 to 0.4
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas n-pentane 0.2 to 20 1 to 0.4 0.2 to 20 1 to 0.4
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas n-hexane 0.1 to 20 1 to 0.4 0.1 to 20 1 to 0.4
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas helium 0.05 to 10 1 to 0.5 0.05 to 10 1 to 0.5
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Number concentration in cm-3 Relative expanded uncertainty
(k = 2, 95 %) in %
air airborne particles 100 to 20000 5
Mechanism(s) for measurement service delivery: Calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/P01

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Charge concentration in fC/cm3 Relative expanded uncertainty
(k = 2, 95 %) in %
air airborne particles 1 to 3 2
Mechanism(s) for measurement service delivery: Calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/P02

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
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
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane methylacrylate 1 to 100 6 to 1 1 to 100 6 to 1
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/89

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
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
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane ethyl acrylate 1 to 100 6 to 1 1 to 100 6 to 1
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/90

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
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
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic air propane 1 to 10 1 to 0.2 1 to 10 1 to 0.2
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/107

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount-of-substance fraction in nmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in nmol/mol
nitrogen methane 3.6 to 1000 3.6
Mechanism(s) for measurement service delivery: Calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/91

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in nmol/mol
nitrogen methane 1 to 1.7 3.6
Mechanism(s) for measurement service delivery: Calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/92

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
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
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen methane 1.7 to 2.5 0.21 to 0.2 1.7 to 2.5 0.21 to 0.2
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/93

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
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
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen methane 2.5 to 1000 0.2 2.5 to 1000 0.2
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/94

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen methane 1 to 25 0.2 1 to 25 0.2
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 08 July 2015.
Internal NMI service identifier: NPL/95