SOLVENT EXTRACTION OF OIL-SAND COMPONENTS FOR DETERMINATION OF TRACE ELEMENTS BY NEUTRON ACTIVATION ANALYSISJACOBS FS; FILBY RH.1983; ANALYTICAL CHEMISTRY (WASHINGTON); ISSN 0003-2700; USA; DA. 1983; VOL. 55; NO 1; PP. 74-77; BIBL. 22 REF.Article

TRACE ELEMENT COMPOSITION OF ATHABASCA TAR SANDS AND EXTRACTED BITUMENSJACOBS FS; FILBY RH.1982; ATOMIC AND NUCLEAR METHODS IN FOSSIL ENERGY RESEARCH. AMERICAN NUCLEAR SOCIETY CONFERENCE ON ATOMIC AND NUCLEAR METHODS IN FOSSIL FUEL ENERGY RESEARCH/1980-12-01/MAYAGUEZ; USA/GBR; NEW YORK; LONDON: PLENUM PRESS; DA. 1982; PP. 49-59; BIBL. 17 REF.Conference Paper

DETERMINATION OF TRACE ELEMENTS IN 13 ORGANIC SOLVENTS BY INSTRUMENTAL NEUTRON ACTIVATION ANALYSISJACOBS FS; EKAMBARAM V; FILBY RH et al.1982; ANAL. CHEM. (WASH.); ISSN 0003-2700; USA; DA. 1982; VOL. 54; NO 7; PP. 1240-1243; BIBL. 18 REF.Article