570. CLAR, -----. [Improvement of Synthetic Oils by Means of Sulfuric Acid.] FIAT Reel K23, frames 2,381-2,391, Aug. 25, 1939; PB 70,214; TOM Reel 290.

570. CLAR. [Improvement of Synthetic Oils by Means of Sulfuric Acid.] FIAT Reel K23, frames 2,381-2,391, Aug. 25, 1939; PB 70,214; TOM Reel 290.

Experiments on the refining of synthetic oils with H₂SO₄ have no success because of the undesirable side reactions, such as oxidation or formation of tar and esters. 7 tables.