Zur Carotinbestimmung in kleinsten Blutmengen

Industrial Biosyntheses: Part I. Fats

“…Otherwise, differences of fat content ranging from 3 0 4 0 % (dry weight, basis) in the upper part to 15% in the bottom part are encountered. A process of this description has been patented recently by Halden (22). His method has serious technical difficulties but is interesting in its theoretical implications.…”