TY - RPRT TI - Surface chemistry of ferrihydrite: Part 1. EXAFS studies of the geometry of coprecipitated and adsorbed arsenate AU - G.A. Waychunas AU - B.A. Rea AU - C. C. Fuller AU - J.A. Davis PY - 1993 DO - 10.1016/0016-7037(93)90567-g UR - https://pubs.usgs.gov/publication/70018326 ID - 70018326 ER -