TY - RPRT TI - Wide angle X-ray scattering (WAXS) study of "two-line" ferrihydrite structure: Effect of arsenate sorption and counterion variation and comparison with EXAFS results AU - G.A. Waychunas AU - C. C. Fuller AU - B.A. Rea AU - J.A. Davis PY - 1996 DO - 10.1016/0016-7037(96)89830-9 UR - https://pubs.usgs.gov/publication/70018597 ID - 70018597 ER -