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

Scope of Accreditation

Print scopes
Reference Gas Mixtures

ISO 17034 (2016)

Calibration

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

With property value capability of -
0.03% relative uncertainty of measurement for primary reference gases except methane
0.1% relative uncertainty of measurement for certified reference gases except methane
0.003% relative uncertainty of measurement for primary reference gases for methane
0.005% relative uncertainty of measurement for certified reference gases for methane
For the following components:

COMPONENT 
CONCENTRATION
2,2-Dimethylpropane (neopentane)0.1 μmol/mol to 30 cmol/mol
cis-2-Butene; trans-2-Butene0.1 cmol/mol to 80 cmol/mol
Argon1 μmol/mol to 1 mol/mol
Butane (n-Butane)0.1 μmol/mol to 80 cmol/mol
Carbon dioxide0.05 μmol/mol to 1 mol/mol
Carbon monoxide0.05 μmol/mol to 1 mol/mol
Dinitrogen monoxide (Nitrous oxide)10 μmol to 0.1 cmol/mol
Ethane0.05 μmol/mol to 1 mol/mol
Ethene (Ethylene)1 μmol/mol to 80 cmol/mol
Ethyne (Acetylene)1 μmol/mol to 5 cmol/mol
Helium0.1 cmol/mol to 10 cmol/mol
Heptane0.1 μmol/mol to 0.1 cmol/mol
Hexane (n-Hexane)0.1 μmol/mol to 1 cmol/mol
Hydrogen1 μmol/mol to 1 mol/mol
Hydrogen sulfide1 μmol/mol to 200 μmol/mol
Isobutane0.1 μmol/mol to 80 cmol/mol
Isopentane0.1 μmol/mol to 80 cmol/mol
Methane0.05 μmol/mol to 1 mol/mol
Nitrogen0.1 μmol/mol to 1 mol/mol
Nonane (n-Nonane)0.1 μmol/mol to 0.1 cmol/mol
Octane (n-Octane)0.1 μmol/mol to 0.1 cmol/mol
Oxygen0.1 μmol/mol to 1 mol/mol
Oxygen in LNG50 μmol/mol to 100 μmol/mol
Pentane (n-Pentane)0.1 μmol/mol to 80 cmol/mol
Propane1 μmol/mol to 1 mol/mol
Propene (Proylene)1 μmol/mol to 1 mol/mol
Xenon0.01 cmol/mol to 1 cmol/mol

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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