National Measurement Institute - Chemical and Biological Services

Site

Reference Gas Mixtures

Accreditation No.

198

Site No.

16905

Date of Accreditation

11 Jan 2008

Address

Bradfield Road
Lindfield West, NSW 2070
Australia

measurement.gov.au

Contact

Dr Damian Smeulders P: +61 (02) 84673534

Availability

Services available to external clients

National Measurement Institute - Chemical and Biological Services address map

Scope of Accreditation

Print scopes
Reference Gas Mixtures

ISO 17034 (2016)

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise

Calibration

Service Product Determinant Technique Procedure Limitations
Certified reference gases Reference gases and reference gas mixes Amount fraction; Gas composition Comparison method; Gravimetric ISO 6142-1
ISO 6143

Capability

Limitation Range
0.05 μmol/mol to 1 mol/mol
With property value capability of -
0.03% relative uncertainty of measurement for primary reference gases
0.1% relative uncertainty of measurement for certified reference gases
For the following components:
2,2-Dimethylpropane (neopentane)
cis-2-Butene;
trans-2-Butene
Argon
Butane (n-Butane)
Carbon dioxide
Carbon monoxide
Decane
Dinitrogen monoxide (Nitrous oxide)
Ethane
Ethene (Ethylene)
Ethyne (Acetylene)
Helium
Heptane
Hexane (n-Hexane)
Hydrogen
Isobutane
Isopentane
Nitrogen
Nonane (n-Nonane)
Octane (n-Octane)
Oxygen
Pentane (n-Pentane)
Propane
Propene (Propylene)
Xenon

Limitation/Range 0.05 μmol/mol to 1 mol/mol
With property value capability of
0.003% relative uncertainty of measurement for primary reference gases
0.005% relative uncertainty of measurement for certified reference gases
For the following component
Methane

Limitation/Range 1 μmol/mol to 2000 μmol/mol
With property value capability of
0.03% relative uncertainty of measurement for primary reference gases
0.1% relative uncertainty of measurement for certified reference gases
For the following components
Hydrogen sulfide
Nitric oxide (nitrogen monoxide)
Nitrogen dioxide

The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.

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