| LPG Testing Parameters and Test Methods | |
|---|---|
| PARAMETERS | TEST METHODS |
| Specific Gravity Composition – Methane – Ethane – Propane – Iso-Butane – N-Butane – Iso-Pentane – C5 and HeavierSulphur Species – Hydrogen Sulphide – Carbonyl Sulphide – Methyl Mercaptan – Ethyl Mercaptan – Dimethyl Mercaptan – Propyl Mercaptan – Ethyl Methyl Sulphide – Thiopene – Di-methyl Disulphide |
ASTM D 1070 ASTM D 2163 – – – – – – -ASTM D 6228 – – – – – – – – – |
| LPG (Low Propane Gas) Parameters and Test Methods | |
|---|---|
| PARAMETERS | TEST METHODS |
| 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 |
| LPG Heavy Ends from SRF Testing | |
|---|---|
| PARAMETERS | TEST METHODS |
| Ammonia as N pH Oil and Grease Cadmium Chromium Copper Lead Nickel BOD COD Total Dissolved Solids Total Suspended Solids |
APHA 4500 NH3 APHA 4500 H+B APHA 5520 B APHA 3120 B APHA 3120 B APHA 3120 B APHA 3120 B APHA 3120 B APHA 5210 B APHA 5220 D |