Sentence examples for petroleum ether from inspiring English sources
noun
A volatile petroleum fraction, usually available in a number of fractions boiling between 40C and 140C. Used as a solvent in the laboratory and industry.
Petroleum ether extract from rhizoma Cimicifugae.
The petroleum ether fraction was dried over anhydrous Na2SO4.
The product was washed with petroleum ether (40 60°C).
Similar procedure was adopted for extraction with petroleum ether.
R f 0.55 (petroleum ether:ethyl acetate = 1 2).
Petroleum ether refers to the 60 90 °C boiling fraction.
The layer of petroleum ether was drawn off.
Elution with gradient mixture of ethyl acetate in petroleum ether afforded compounds 2 (11 mg, 19% ethyl acetate in petroleum ether), 3 (7 mg, 23% ethyl acetate in petroleum ether), 4 (21 mg, 31% ethyl acetate in petroleum ether), 5 (16 mg, 37% ethyl acetate in petroleum ether) and 6 (24 mg, 41% ethyl acetate in petroleum ether).
PE refers to petroleum ether.
PE – petroleum ether, CH - chloroform, ME – methanol.
