Key wordsdmso, grade, headspace, ovi, synthesis, ovis, organic, purity, solvents, blanks, loop, spme, dmac, grades, dmi, present, tics, dissolution, peak, impurities, analysis, time, sometimes, snythesis, detected, min, dimethylpentane, isopropyl, vapor, hsgc, listed, equilibration, tert, parameters, standard, flooding, eluting, ether, were, dimethylacetamide, done, tetramethyl, hexane, ethylamine, xylene, both, methylpyrrolidone, disturbances, extraneous, acetate