ON THE ACID DIGESTION METHOD FOR THE DETERMINATION OF CHROMIC OXIDE AS AN INDEX SUBSTANCE IN THE STUDY OF DIGESTIBILITY OF FISH FEED

Numerous aspects of the wet acidic digestion procedure for the assay of chromic acid in a small amount of feed and excreta were examined to study the digestibility of feed by marine fishes; these examined were the spectral absorption curves of solutions prepared by the wet acid digestion of chromic ... View More