Gas Chromatograph | Sparckx Consulting

Gas Chromatograph RGC7

If you want to analyze the individual components of natural gas, biogas, gas from Power-2-Gas applications and mixed gases? The RGC 7, RMG's new generation PGC - is available for this purpose. In a controller the gas components are calculated further to values such as the calorific value, standard density, heating value and Wobbe index. A selection from the RGC 7 PGC family is approved for custody transfer by the PTB for the measurement of natural gas and biogas with the contents of O2 up to 3.8% and H2 up to 20%.

Measuring range:

Methane	C1	≥ 50Mol%	Carbon Dioxide	CO2	≤ 20 Mol%
Ethane	C2	≤ 15 Mol%	Nitrogen	N2	≤ 30 Mol%
Propane	C3	≤ 15 Mol%	Oxygen	O2	≤ 3.8 Mol%
i Butane	IC4	≤ 4 Mol%	Hydrogen	H2	≤ 20 Mol%
neo Pentane	neoC5	≤ 0.1 Mol%	Helium	He	≤ 0.36 Mol%
i-Pentane	IC5	140	Carrier gas	5	Argon
n-Pentane	NC5	≤ 0.5 Mol%	Calorific value 1)	Hs	5.53 kWh/m³ - 14.0 kWh/m
Hexane	C6+	≤ 0.3 Mol%	Standard density 2)	ρb	0.59 - 1.36 kg/m³

1) Tb=25°C, Tv=0°C, pv=pb=101,325 kPa

2) Tn=0°C, pn=101,325 kPa

RGC7

Gas Chromatographs

PGC 9301: for natural gases (11 components)
PGC 9302: for biogas (9 components)
PGC 9303: for natural gas with hydrogen and oxygen (12 components)
PGC 9304: for natural gas containing hydrogen (up to 20 mol%), oxygen and helium (13 components)

For measuring the gas components (see table) and for calculating the calorific value, standard density, calorific value, Wobbe index and density ratio
The analysis system consists of the following components
- Transducer with 2 or 3 column modules
- Analysis computer with archives
Calorific value calculation according to ISO 6976 and GPA 2172
Automatic recalibration
Multi-flow design for up to 4 gas flows
Calculation of the methane number (option)
RMGViewGC operating software (for MS-Windows) with functions such as
- Display, modification and export of parameters
- Data book generation
- Display and storage of chromatograms

PTB approval for natural gas and biogas
as well as natural gas with contents of O₂up to 3.8% and_H₂up to 20%.

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