IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Lyman C. Craig (1906-1974) was a ...
THE increasing use of counter-current distribution between solvents, in machines of the kind developed by Craig 1, for the purification of natural products prompts us to direct attention to simple ...
WE make a distinction between preparative and the usual counter-current distribution. By the latter we mean, of course, the very efficient method of separation based on extraction, devised chiefly by ...
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