TY - BOOK AB - Superimposed frequency diagrams represent precision for low, medium, and concentrations of 30 elements routinely determined by Denver-based mobile spectrographic laboratories. AU - Motooka, J. M. AU - Grimes, D. J. CN - QE75 CN - QE75 CN - TN555 CY - Denver : DA - 1976. ID - 120872 KW - Ores KW - Spectrum analysis. N2 - Superimposed frequency diagrams represent precision for low, medium, and concentrations of 30 elements routinely determined by Denver-based mobile spectrographic laboratories. PB - U.S. Geological Survey, PP - Denver : PY - 1976. T1 - Analytical precision of one-sixth order semiquantitative spectrographic analysis / TI - Analytical precision of one-sixth order semiquantitative spectrographic analysis / ER -