. American chemical journal . Temp. 150° 200° 140° 100° 2J0° 260° Normal pressure. 50 mm. pressure. 52i Gilpin and Cram. •2 1^. S ^- Temp. o° 150° 200° 140° 200° 2^0^ 260° Normal pressure. 50 tnm. pressure. Fractionation of Crude Petroleum. 529

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