Contributed Articles Submicromolar Concentration Measurements with Tubular Electrodes. W. J. Blaedel and S. L. Boyer
Study of the Uncatalyzed Oxidation of Arsenic(lli) by Cerium(IV) in Perchloric Acid Medium. K. G. Everett and D. A. Skoog
Analysis of Vapor-Phase Pyrolysis Products of the Four Trimethylpentane Isomers. J. Q. Walker and J. B. Maynard
Application of the Carbon Rod Atomizer to Atomic Absorption Spectrometry of Petroleum Products. K. G. Brodie and J. P. Matousek
Extractive Titration Technique for Kinetic Studies of Fast Bromination Reactions. R. K. Baker and Quintus Fernando
Spectorphotometric Determination of Xanthate and Total Sulfur in Viscose. Matiur Rahman
1614
Isolation and Analysis of Carbonyl Compounds as Oximes. J. W. Vogh
1618
1548
Computer-Assisted Ion Cyclotron Resonance Appearance Potential Measurements for C5HM Isomers. M. L. Gross and C. L. Wilkins
1624
1557
Analysis of 2-Substituted-2-Methyl-5-Norbornenes by Nuclear Magnetic Resonance Spectrometry. R. V. Moen and H. S. Makowski
1629
Gas-Solid Chromatography of Hydrogen Bonding Compounds. Antonio Di Corc/a and Fabrizio Bruner
1634
Electrooxidation of Iodine on Smooth Platinum in Acetic Acid Medium. Influence of Adsorption of Electrode Products upon Voltammetric Limiting Currents. Rolando Guidelli and Giovanni Piccardi
1639
1538
1541
1561
Characterization and Quantitative Analysis of D-Glucose for Use in Clinical Analysis. Bruce Coxon and Robert Schaffer
1565
Voltammetric Behavior and Analytical Detection of Oxygen, Superoxide, Hydroxide, and Water Present Together in an Ionic Solvent. P. G. Zambon/n
1571
Analytical Evaluation of a Cyanide-Ion-Selective Membrane Electrode under Flow-Stream Conditions. Bernard Fleet and Henning von Storp
1575
Extraction-Derivatization-Gas Chromatographic Determination of Trace Phosphate in Aqueous Media. D. R. Matthews, VY. D. Shu/ts, M. R. Guerin, and J. A. Dean
1582
© Cepyrigit 1171 •y the American Ciemical Satiety
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Members, domestic and foreign Nonmembers, domestic and Canada Nonmembers, foreign except Canada
Separation of Weak Organic Bases Such as Aniline, N-Heterocyclic, and Sulfonamide Derivatives on Cation Exchange Resin. T. C. Gilmer and D. J. Pietrzyk
1585
Specification of Gas Chromatographic Behavior Using Kovats Indices and Rohrschneider Constants. L. J. Lorenz and L. B. Rogers
1593
Applications of Paramagnetic Shift Reagents in Proton Magnetic Resonance Spectrometry. Analysis of Alcohol Mixtures. D. L. Rabenstein
1599
Small Computer, Magnetic Tape Oriented, Rapid Search System Applied to Mass Spectrometry. L. E. Wangen, W. S. Woodward, and T. L. /senhour
1605
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2 yr.
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ANALYTICAL CHEMISTRY, VOL. 43, NO. 12, OCTOBER 1971 ·
5A
Contributed Articles Electrooxidation of Iodine on Smooth Platinum in Acetic Anhydride Medium. Giovanni Piccardi and Ro lando Guide///' Determination of Volatile Constituents of Human Blood and Tissue Specimens by Quantitative High Resolution Mass Spectrometry. Walter Snedden and R. B. Parker Interactions between Rock and Organic Matter. Esterjfication and Transesterification Induced in Sedi ments by Methanol and Ethanol. Patrick Arpino and Guy Ourisson Alternating Current Polarographic Determination of Electroactive Species More Negatively Reduced than the Major Component. A. M. Bond and J. H. Canterford Polarographic Evaluation of Formation Constants for a Partly-Reversible System and a New Systematic Pro cedure for All- as Well as Partly-Reversible Systems. Kozo Momoki and H/sao Ogawa Extension of the Microcoulometric Determination of Total Bound Nitrogen in Hydrocarbons and Water. F. A. Fabbro, L. A. Filachek, R. L. lannacone, R. T. Moore, R. J. Joyce, Y. Takahashi, and M. E. Riddle
1646
1651
Rapid Analysis of High Purity η-Heptane and Other Pure η-Paraffins for Trace Hydrocarbon Impurities by Gas Chromatography. R. N. Nigam and Rijhwani Moolchandra
1701
Computer Program to Draw Absorption Profiles in Atomic Absorption Spectrometry. C. L. Chakrabarti, Rajendra Pal, and Mohan Katyal
1704
Simplified Wet Ash Procedure for Total Phosphorus Analysis of Organophosphonates in Biological Sam ples. D. S. Kirkpatrick and S. H. Bishop
1707
Analysis of Insect Chemosterilants. Action of Phos phate Buffers on Aziridine. J. G. Pomonis, R. F. Severson, P. A. Hermes, R. G. Zaylskie, and A. C. Terranova
1709
Tape-Controlled Gradient Elution Chromatography System for Steroid Analysis. D. F. Johnson, N. S. Lamontagne, G. C. Riggle, and F. 0. Anderson
1712
1656
1658
1664
Correspondence 1671
Notes Influence of the Setchenow Salt Effect upon Analytical Results Involving Concentration by Solvent Extraction Techniques. Theo Groenewald
3',5'-Cyclic Adenosine Monophosphate Phosphodi esterase Assay Using High Speed Liquid Chromatog raphy. S. N. Pennington
1678
Some Considerations on Stepwise Electroreduction in Voltammetry and Chronopotentiometry. Rolando Guidelli
1715
A Digital Potentiostat. Clem
1718
W. W. Goldsworthy and R. G.
Alternate or Simultaneous Electron Impact-Chemical Ionization Mass Spectrometry of Gas Chromato graphic Effluent. G. P. Arsenault, J. J. Dolhun, and K. Biemann
1720
1683
Aids for Analytical Chemists Photometric Method for Microdetermination of Hydroxylipids. M. M. Chakrabarty and M. K. Kundu Determination of Gold in Solutions of Thiourea. Groenewald and B. M. Jones
1686
1723
Direct Sample Injection into a Helium Ionization Gas Chromatograph. H. C. Dodd
1724
Pseudo-Three-Dimensional Presentation of Reaction Rate Data. S. N. Deming
1726
Correction. Example of Flame Photometric Analysis for Methyl Parathion in Rat Whole Blood and Brain Tissue. Joe Gabica, Joe Wyllie, Michael Watson, and W. W. Benson
1633
Correction. Combined High Speed Liquid Chromatog raphy and Bioassay for the Evaluation and Analysis of an Organophosphorus Larvacide. R. A. Henry et al.
1633
Theo 1689
Direct Analysis of Metal Halides by Electron Impact Mass Spectrometry. Kozo Matsumoto, Nobutoshi Kiba, and Tsugio Takeuchi
1691
Laser-Excited Atomic Fluorescence Flame Spectrom etry. L. M. Fraser and J. D. Winefordner
1693
Trimethylsilyl Esters of Aromatic and Aliphatic Sul fonic Acids. Preparation and Mass Spectral Proper ties. John Eagles and M. E. Knowles Digitization and Processing of Nuclear Magnetic Reso nance Spectra. R. E. Rondeau and V. L. Donlan 6A ·
Solenoid Operated Switching Valve for Automatic Ti tra tors. J. A. Blay and L. J. Betz
1697
1699
ANALYTICAL CHEMISTRY, VOL. 43, NO. 12, OCTOBER 1971
