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This test method specifies a vehicle fuel methyl alcohol gas chromatography in methanol content and impurities
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Using gas chromatography, under selected working conditions, the sample is vaporized and passed through a capillary chromatographic column, so that each component is separated, and detected by a hydrogen flame ionization detector
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Recommended capillary column and typical chromatographic operating conditions are shown in Table A.
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Typical capillary column chromatogram and fuel methanol sample chromatogram are shown in Table A.
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Other chromatographic columns and chromatographic operating conditions that can achieve the same degree of separation can also be used
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Table A.
1 Recommended capillary column and typical chromatographic operating conditions
Figure A.
1 Prepared typical chromatogram
Related Links: Fuel Methanol for Vehicles (4)