LPG (Low Propane Gas) Parameters and Test Methods
| PARAMETERS | TEST METHODS |
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Observed Sp. Gravity @60/60(not calculated) Actual Vapour Pressure at 700F and 1000F Composition Mol%, C2,C3, 1C4, nC4, iC5, nC5 & neoC5 Total Sulphur ppm Ethyl Mercaptan/ H2S Non Volatile Residue Evaporated Temperature 95% max Copper Strip Corrosion Free Water Content Total Aromatic Hydrocarbons Total Unsaturated Aliphatic Hydrocarbons Total unsaturated Hydrocarbons Residual Matter residue Evaporated Temperature 95% max 1,3 Butadine Moisture content ppm( for Propane only) Methyl Mercaptan/ Ethyl Mercaptan COS+ SO-2 Acidity of Residue Gross Heating Values Average Molecular Weight |
ASTM D 1070 ASTM D 1267 ASTM D 2163 – ASTM D 5623 – ASTM D 2158 ASTM D 1838 Visual DHA DHA DHA ASTM D 2158 DHA Meter ASTM D 5623 ASTM D 974 Calculation Calculation |