Identificaton of food colors.
Subtitle: A tentative report on the solubility and extraction of certain colors, and the color reactions of dyed fiber and of aqueous and suphuric acid solutions.
By: By H.M. Loomis ...
Series: U.S. Dept. of Agriculture. Bureau of Chemistry. Circular -- no. 63; Circular (United States. Bureau of Chemistry) -- no. 63.
Publisher: Govt. Print. Off.]
Published: 1911
Place of publication: [Washington
Subjects: Coloring matter.