TY - RPRT TI - Determination of iron in the presence of chromium and titanium with the Jones reductor AU - F. S. Grimaldi AU - R.E. Stevens AU - M. K. Carron PY - 2002 DO - 10.1021/i560118a012 UR - https://pubs.usgs.gov/publication/70010991 ID - 70010991 ER -