OCTOBER 15.1939
ANALYTlCAL EDITION
this purpose. The method is economical because no platinum or extremely high temperatures are required and the reagent cost is low.
Acknowledgment The author is indebted to Thomas C. Carson, Jr., for many helpful suggestions and analytical data.
Literature Cited (1) Berg, R., “Das o-Oxyquinoline ‘OXIN’ ”, p. 70, Stuttgart, Ferdinand Enke, 1935. (2) Berg, R., Z. anal. Chem., 76, 191-204 (1929). (3) Churchill, H.V.,and Bridges, R. W., “Chemical Analysis of Aluminum”, p. 54, New Kensington, Penna., Aluminum Research Laboratories, 1935. (4) Fainberg, S. Y., and Tel, E. M., Zavodskaya Lab., 5 , 1307-11 (1936). (5) Ferrari, Carlo, Ann. chirn. applicata, 27, 479-82 (1937). \€I) Haslam, J., Analyst, 58, 270-2 (1933).
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(7) Hecsko, F.,Chern.-Ztg., 58, 1032-3 (1934). (8) Hill, Robert, Proc. Roy. SOC.(London), B107, 205 (1930). (9) Knowles, H. B., J. Research Natl. BUT.Standards, 15, 87-96 (1935). (10) Knowles, H.B., and Redmond, J. C., J. Am. Cerarn. SOC.,18, 106-12 (1935). (11) Koenig, E.W.,Ib
