OBSERVATIONS ON A CHARACTERISTIC DISTRIBUTION OF ULTRAVIOLET ABSORBING IMPURITIES WITHIN BOXES OF ANALYTIC FILTER PAPER.
D000042:Absorption; D000818:Animals; D002623:Chemistry Techniques, Analytical; D004864:Equipment and Supplies; D005374:Filtration; D014466:Ultraviolet Rays
ABSORPTION; CHEMISTRY, ANALYTICAL; EQUIPMENT AND SUPPLIES; ULTRAVIOLET RAYS