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Norm

ÖNORM EN 15470

Issue date: 2017 09 15

Liquefied petroleum gases - Determination of dissolved residues - High temperature Gas chromatographic method

This European Standard specifies a method for determining the dissolved residual matter in liquefied petroleum gases (LPG), in the range of 40 mg/kg to 100 mg/kg. Higher ...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 15 Pages
Language:
German | English | Download GER/ENG
This European Standard specifies a method for determining the dissolved residual matter in liquefied petroleum gases (LPG), in the range of 40 mg/kg to 100 mg/kg. Higher concentrations can be determined by adjusting the sample size. The dissolved residue is the amount of organic compounds which is detectable by gas chromatography after evaporation of the sample at ambient temperature and then in an oven at 105 °C. This method is not suitable for detecting solid materials or for possibly high molar mass polymers (>1 000 g/mol). From the analysis of a limited LPG sample size (50 g to 75 g) this method allows obtaining information on the potential origin of the residue (gasoil, lubricants, plasticizers, etc.). The precision data of the method have been determined from 20 mg/kg to 100 mg/kg. For a higher content of residue, the precision has not been tested.
ÖNORM EN 15470
2017 09 15
Liquefied petroleum gases - Determination of dissolved residues - High temperature Gas chromatograph...
Norm
ÖNORM EN 15470
2008 02 01
Liquefied petroleum gases - Determination of dissolved residues - High temperature gas chromatograph...
Norm