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The eluates were analyzed by thin layer chromatography (TLC) with toluol, ethyl acetate, formic acid 3:1:0.
Based on what he admits is an "incomplete picture of essential needs," Kuznets concluded that he and others who have studied the problem expected there would be in 1942 "a definite shortage in rubber, nickel, tnt and smokeless powder," and very likely also "critical shortages in aluminum, vanadium, wool, and toluol.
Luego se realizo el aclaramiento con xilol y toluol, benceno, una hora en cada uno de ellos.