ASTM D322 for gasoline diluent in used gasoline engine oils by distillation
6. Apparatus
6.1 Flask, round-bottom type (see Fig. 1 and A1.1).
6.2 Condenser, Liebig straight-tube type (see A1.2).
6.3 Trap, 5 mL, graduated in 0.1-mL increments (see Fig. 1 and Fig. 2 and A1.3).
6.4 Heater - Any suitable gas burner or electric heater may be used with the glass flask. (Warning - Hot exposed surface. Avoid contact by wearing protective equipment as required.)
7. Reagents and Materials
7.1 Ethanol, Denatured , conforming to either Formula No. 30 or 3A of the US Bureau of Internal Revenue. (Warning - Flammable. Denatured. Cannot be made non-toxic.)
7.2 Mineral Spirits (Petroleum Spirits), conforming to Specification D235.
NOTE 2 - In Annex A1.3, the use of reagent grade heptane may be the preferred solvent because the use of commerical grade heptane or mineral spirits can cause complications of container disposal that may not be required for the disposal of the containers for reagent grade heptane.
8. Sampling
8.1 Obtain a representative sample using either Practices D4057 or D4177.
