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nitrogen
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United Kingdom (7)
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Your query 'United Kingdom' produced 7 results New search

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Metals and metal alloys for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Absolute isotope amount ratio in mol/mol Absolute expanded uncertainty
(k = 2, 95%) in mol/mol
alloys of lead with non-ferrous or precious metals lead 1.8 to 40 0.001 to 0.07
Mechanism(s) for measurement service delivery: Calibration service on request
Isotope amount ratios: n(206Pb)/n(204Pb), n(207Pb)/n(204Pb), n(208Pb)/n(204Pb), n(208Pb)/n(206Pb).
Uncertainty convention 1.
Approved on 08 July 2015.
Internal NMI service identifier: LGC/Inorg-047

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Food for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/g Relative expanded uncertainty
(k = 2, 95%) in %
non-fatty and moderately fatty food lead 0.3 to 50 2 to 5
Mechanism(s) for measurement service delivery: Calibration
Uncertainty convention 1.
Approved on 13 June 2013.
Internal NMI service identifier: LGC/Inorg-013

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Water for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in ng/g Relative expanded uncertainty
(k = 2, 95%) in %
Mass fraction in µg/L Absolute expanded uncertainty
(k = 2.11, 95%) in %
fresh water lead 5 to 1000 0.7 to 2 5.2 to 24.51 2.2 to 5.8
Mechanism(s) for measurement service delivery: Calibration, LGC 6019 and ERM CA011
Different coverage factors apply to the two CRMs associated with this claim. The larger of the two values has been quoted..
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: LGC/Inorg-003e R

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Advanced materials for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/g Relative expanded uncertainty
(k = 2, 95%) in %
plastic materials lead 10 to 10000 1 to 5
Mechanism(s) for measurement service delivery: Calibration
Uncertainty convention 1.
Approved on 06 December 2011.
Internal NMI service identifier: LGC/Inorg-035d

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Inorganic solutions for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/g Relative expanded uncertainty
(k = 2, 95 %) in %
monoelemental solution lead 0.01 to 10000 0.4 to 0.8
Mechanism(s) for measurement service delivery: Calibration
Approved on 27 March 2013.
Uncertainty convention 1.
Internal NMI service identifier: LGC/Inorg-001i

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Water for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in ng/g Relative expanded uncertainty
(k = 2, 95%) in %
Mass fraction in µg/kg Absolute expanded uncertainty
(k = 2, 95%) in µg/kg
estuarine water lead 5 to 1000 0.7 to 2 196 3
Mechanism(s) for measurement service delivery: Calibration and LGC 6016
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: LGC/Inorg-004c R

United Kingdom, LGC (Laboratory of the Government Chemist)
Complete CMCs in Chemistry for Inorganic solutions for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/g Relative expanded uncertainty
(k = 2, 95 %) in %
multielemental solution lead 0.01 to 1000 0.4 to 2
Mechanism(s) for measurement service delivery: Calibration
Approved on 27 March 2013.
Uncertainty convention 1.
Internal NMI service identifier: LGC/Inorg-002g