Chemical Characteristics of Fulvic Acids

A contribution to the Journal by A. P. Black, Research Prof, of Chemistry & San. Science, Dept. of Chemistry, Univ. of Florida, Gainesville, Fla., and Russell F. Christman, Research Asst. Prof, of San. Chemistry, Dept. of Civ. Eng., Univ. of Washington, Seattle, Wash. The present article is the second and concluding part of a two-part series on the nature of organic color in water. The investigation was supported by Research Grant WP-139 from the Div. of Water Supply & Pollution Control, USPHS, Washington, D.C.