FUTURE ARTICLES Lhfed below are papers to appear in forthcoming issues of Analytical Chemistry Gas-Solid Chromatography of Hydrocarbons on Acti vated Alumina. Effect of Carrier Gas on Retention Time and Column Efficiency
Identification a n d Determination of Nitrides in Steel. A DTA-EGA Method W. R. Band!, W. A. Straub, Ε. β . Buyok, and U. M. Melniclc Automated Anion Exchange Chromatography of Some Carboxylie Acids R. C. Zerfing and Hans Yeening
R. L. Hoffmann and C. D. Evans Spectrophotometric Determination of Thallium(lll) w i t h 3-Hydroxy-l ,3-Diphenyltriazine in 7 0 % Alcohol
Specific Spectrophotometric Determination of Ozone in the Atmosphere Using l,2-Di-(4-Pyridyl)Ethylene T. R. Hauser and D. W. Bradley
S. C. Shome, H. R. Das, and B. Das Chronopotentiometry w i t h Current Reversal of t h e H g / H g 2 + 2 System a t the Hanging Mercury Drop. Devia tions from Semi-Infinite Diffusion Control
Qualitative Analysis of Petroleum a n d Related M a terials Using Linear Elution Adsorption Chromatography L. R. Snyder
Stein Deron and H. A. Laitinen Polarographic Kinetically Controlled Currents in Sys tems Containing Persulfate, Copper(ll), a n d a n Agent Which Reacts with Sulfate Free Radical
Determination of Metallic Impurities in Molybdenum b y a Combined Ion Exchange-X-Ray Spectrographic Method E. F. Spano and T. E. Green
R. Woods and I. M. Kolthoff Identification of Forty Cations and Nineteen Anions b y Circular Thin Layer Chromatography
Exchange Equilibrium through Ion Exchange branes. Analytical Applications
M. H. Hashmi, M. A. Shahid, F. R. Chughtai, A. A . Ayar, Nasim Hassan, and A. S. Adil
W. J. Blaedel and T. J. Haupert
Measurement of Specific Heat Functions b y Differential Scanning Calorimetry
Preparation, Stability, and Use of Preformed Solutions of Iodine Isocyanate
M.J. O'Neill
Samuel Rosen and Daniel Swern
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