... polarity is rarely described in literature. Selective extraction of crude bio-oil obtained from hydrothermal ... tetrahydrofuran (THF) > toluene > ethyl acetate > acetone > ether > methylene chloride > methanol > petroleum ether > n-hexane.
History of Butler County, Pennsylvania: Embracing Its Physical Features, Aborigines and Explorers, Public Lands and Surveys, Pioneers, Early Settement and Subsequent Growth, Organization and Civil Administration, Political Affairs, the Legal and Medical Professions, the Press, Schools and School Laws, Internal Improvements, Agriculture, the Temperance Cause, Military History, the Butler Oil and Gas Fields, Sketches of Boroughs, Townships and Villages, Religious, Educational, Social and Material Progress, Biographies and Portraits of Pioneers and Representative Citizens, Etc., Etc
... pioneer producer for Colonel Drake , who in 1859 drilled the first well on Oil creek , in Venango county . Williams was the first man on this continent within the historic period to dig down to the petroleum , T. W. Nevins was the first ...
... Drebert , William Duncan and H. C. Boggs , coun- cilmen ; John Staaf , assessor ; Jacob Shoup and Philip Gelbach , overseers of the poor ; H. Ifft , L. Hohnadle and William Martin , auditors ; S. W. Hazlett , judge ; Ambrose Dunbar and ...
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