Hydrogen-enriched Fuel Gases

EffecTech offers high quality calibration gases and performance evaluations to reduce measurement uncertainty in your hydrogen application.

Hydrogen-enriched fuel gas mixtures

EffecTech now offers calibration gas mixtures for hydrogen-enriched fuel gas mixtures for up to 20% hydrogen. To find out more, please contact us.

ISO 17034 and ISO 17025 table of ranges and uncertainties

Composition

EffecTech’s calibration gas design takes into account the following to deliver the optimum gas mixture for your measurement needs.

Variation of stream gas composition
Operational temperature and pressure
Accuracy needed to make it fit for purpose

Maximising gas volume

Proposed designs will also maximise cylinder fill pressures, where appropriate, through gas liquid phase equilibrium calculations so you receive the highest gas volume possible within the required parameters.

Physical properties

Physical properties for all hydrogen-enriched natural gas calibration mixtures are included on certificates of calibration. These can be used for measurement confirmation as part of your quality control procedures and validation.

Physical properties of calorific value, relative density, real density, Wobbe index, mean molar mass and compression factor are calculated from composition according to ISO 6976, GPA 2172 or ASTM D3588.

For more information, or to send a request for quotation, please contact us.

View our Sample Reports and Certificates in our technical papers section.

Component	range	calibration and measurement capability (CMC)*
	amount fraction (% mol/mol)	amount fraction (% mol/mol)
hydrogen	0.1 to 20	0.25 % relative + 0.0020
nitrogen	0.1 to 12	0.25 % relative + 0.0005
carbon dioxide	0.1 to 8	0.2 % relative + 0.0002
methane	35 to 100	0.11 – 0.10 % relative
ethane	0.1 to 20	0.25 % relative + 0.0005
propane	0.1 to 8	0.3 % relative + 0.0001
iso-butane	0.02 to 0.15 0.15 to 1.2	0.00045 0.3 % relative
n-butane	0.02 to 0.15 0.15 to 1.2	0.00045 0.3 % relative
neo-pentane	0.01 to 0.35	0.7 % relative + 0.0001
iso-pentane	0.01 to 0.35	0.5 % relative + 0.0001
n-pentane	0.01 to 0.35	0.5 % relative + 0.0001
n-hexane	0.001 to 0.35	1.0 % relative + 0.0001
2-methylpentane	0.001 to 0.35	1.3 % relative + 0.00005
3-methylpentane	0.001 to 0.35	1.3 % relative + 0.00005
2,2-dimethylbutane	0.001 to 0.35	1.3 % relative + 0.00005
benzene	0.001 to 0.2	1.3 % relative + 0.00005
cyclohexane	0.001 to 0.2	1.3 % relative + 0.00005
n-heptane	0.001 to 0.2	1.3 % relative + 0.00005
toluene	0.001 to 0.1	1.3 % relative + 0.00005
methylcyclohexane	0.001 to 0.1	1.3 % relative + 0.00005
n-octane	0.0005 to 0.05	1.3 % relative + 0.00005
n-nonane	0.0005 to 0.02	1.3 % relative + 0.00005
n-decane	0.0005 to 0.005	1.3 % relative + 0.00005
	amount fraction (µmol/mol or % mol/mol)	amount fraction (% µmol/mol)
oxygen	10 to 100 100 to 1000 0.1 % to 1.0 % 1.0 % to 22.5 %**	1.6 % relative + 0.1 0.9 % relative + 0.5 0.7 % relative + 1.0 0.18 % relative + 30

Hydrogen-enriched Fuel Gases

Hydrogen-enriched fuel gas mixtures

Composition

Maximising gas volume

Physical properties

Accreditations

ISO 17034 – Reference Material Producer (5710)

ISO 17025 – Calibration (0590)

Hydrogen-enriched Fuel Gases

Hydrogen-enriched fuel gas mixtures

Composition

Maximising gas volume

Physical properties

ISO 17034 and ISO 17025 table of ranges and uncertainties for hydrogen-enriched fuel gases

Accreditations

ISO 17034 – Reference Material Producer (5710)

ISO 17025 – Calibration (0590)

ISO 17034 and ISO 17025 table of ranges and uncertainties for hydrogen-enriched fuel gases

ISO 17034 and ISO 17025 table of ranges and uncertainties for hydrogen-enriched fuel gases