Excerpt:
Forty pairs of aliphatic 3,5-dinitrobenzoates have been subjected to chromatographic adsorption by Brockmann’s fluorescence technique. In this procedure, ultraviolet radiation shows the adsorbed zones as dark bands on a bright fluorescent background. Of these 40 pairs, involving 12 aliphatic alcohols from methyl to hexyI, 23 yielded two zones, 11 gave a single zone of varying composition, and 6 were completely inseparable. The normal primary alkyl dinitrobenzoates from methyl to amyl were easily separated from one another.
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