TY - RPRT TI - The selective precipitation of thorium iodate from a tartaric acid-hydrogen peroxide medium : Application to the rapid spectrophotometric determination of thorium in silicate rocks and in ores AU - F. S. Grimaldi AU - Lillie B. Jenkins AU - Mary H. Fletcher PY - 1956 DO - 10.3133/tei489 UR - https://pubs.usgs.gov/publication/tei489 ID - tei489 ER -