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02h0037712 20140108104906.0 s1962 dcua frb |000|||eng | CNY15.00 NGL n-us-pa QE75 .B9 no. 1144-B a340 Reichen, Laura E., 1916- An improved method for the determination of FeO in rocks and minerals including garnet / by Laura E. Reichen and Joseph J. Fahey. Washington, D.C. : U.S. G.P.O., 1962. iii, 5 p. : ill. ; 24 cm. Geological Survey bulletin ; ; Contributions to geochemistry 1144-B Includes bibliographical references (p. 5) A sample, ground to pass a 100-mesh sieve, is treated with HF and ILSO. in a 100-ml platinum crucible to which a measured volume of a standard solution of JLCrz