CONTRIBUTED ARTICLES
DESIGNED for CREATING!
Reflectance Fluorescence Spectra of Aromatic Com pounds in Potassium Bromide Pellets. B. L. Van Duuren and C. E. Bardi
2198
Oxygen Determination in Rocks, Minerals, and W a t e r b y Neutron Activation.
Alexis Volborth and H. E. Banla
2203
Correspondence Liquid Chromatography with Operating Condi tions Analogous to Those of Gas Chromatogra phy. J. C. Giddings 2215 Direct Coulometric Titrations with Hypobromite Ion. A. F. Krivis, G. R. Supp, and E. S. Gazda
2210
Coulometric Titration of Ammonia with Hypo bromite Using Direct Amperometric End Point Detection.
G. D. Christian, E. C. Knoblock, and W. C.
Purdy
2217
Infrared Analysis of Alpha-Olefins.
E. L. Saier, L. R.
Cousins, and M. R. Basila
2219
Modified Thermal Conductivity Detector for Capil lary Columns. J. A. Petrocelli
Ever mindful of the importance of winning the race for tomorrow's scientific discoveries, Duraiab de signers are singularly devoted to providing for every possible demand of our pioneers in science. Another important consideration in the manufacture of laboratory fur niture and equipment, is a ruggedness that will shrug off abuse —• stand up to constant and unrelent ing usage. These are the features tantamount to creating . . . You'll find them in Duraiab.
Write for new fully illustrated catalog.
2220
Fluorometric Determination of Selenium in Plants and Animals with 3,3'-Diaminobenzidine. Caution Notice.
Irving Serlin
2221
Aids for the Analyst Equations for the Average Solvent Composition and the Interstitial Column Volume in Column Fractional Precipitation Methods. W. W. Schuli andW.C. Purdy
Desalting by High Voltage Electrophoresis.
2222
Hsiu-
Ying T. Yang and M. R. Shetlar
2224
Index, Author and Subject
2227
Spectrometry Nomenclature
2262
Guide for Measures of Precision and Accuracy.
2262
Manuscript Requirements
2263
Those who bind ANALYTICAL C H E M I S T R Y in t w o
DURALAB EQUIPMENT CORP.
303 Stanley Ave Brooklyn 7, Ν. Υ.
«inmana.u.^m.um,,wiw»JimàmmiummimmiânMWlimmmslimil,mmm Circle No. 2 on Readers' Service Card 6 A
·
ANALYTICAL CHEMISTRY
volumes m a y obtain a second title page b y writing t o T h e Editor, ANALYTICAL C H E M I S T R Y , 1155 16th
Street. N . W., Washington, D . C. 20036