Contributed Articles - ACS Publications - American Chemical Society

acetone andTri-n-Butylphosphate. W. C. Butts and. C. V. Banks. 133. Objective Method of Data Reduction for Particle. Size Analysis by Cumulative Sedim...
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Contributed Articles

Titrimetric Determination of Nitrate with Diphenylthallium(lll) Sulfate. J. S. DiGregorio and M. D. Morris

Second Harmonic Alternating Current Polarography. Experimental Observations with a System Involving a Very Rapid Chemical Reaction Following Charge Transfer. T. G. McCord and D. E. Smith

2

Quantitative Analysis for the Isotopes of Hydrogen— H2, HDF HT, Ds, DT, and T2—by Gas Chromatography. Claude Genty and Roger Schott

7

Specular Reflectance in Thin-Layer Electrochemistry. P. T. Kissinger and C. N. Reilley

12

Use of Hexafluoroacetone and Fluorine Nuclear Mag­ netic Resonance to Characterize Alcohols and Other Active Hydrogen Compounds. G. R. Leader Moments Analysis for the Discernment of Overlapping Chromatographic Peaks. Eli Grushka, M. N. Myers, and J. C. Giddings Determination of Ultramicro Quantities of Manganese by Catalytic Oxidation of Alizarin S by Hydrogen Per­ oxide. T. J. Janjic, G. A. Milovanovic, and M. B. Celap Conductometric Titration of Weak Acids in Dimethyl Sulfoxide Using Dimsylsodium Reagent. L. K. Hitler, Jr. Determination of Carbonyl Compounds by 2-Diphenylacetyl-l,3-lndandione-l-Hydrazone. D. J. Pietrzyk and E. P. Chan lron(lll)-(ll) Couple in Acetonitrile. Oxidation of Thiocyanate by Iron (III). Byron Kratochvil and Rob­ ert Long Spectropolarimetric Determination of the 3d Transi­ tion Metals Utilizing a Sterospecific Ligand. R. J. Palma, Sr., P. E. Reinbold, and Κ. Η. Pearson

94

Notes Quantitative Determination of Nitrogen in Iron by Spark Source Mass Spectrometry. Georges Vidal, Pierre Galmard, and Pierre Lanusse

98

Spectrophotometric Determination of Glycine with 2,4,6-Trichloro-s-Triazine. Shuichi Suzuki, Yutaka Hachimori, and Uichi Yaoeda

101

Determination of Carbon in Thin Films on Steel Sur­ faces. W. R. Lee and L. L. Lewis

103

Use of Chromatographic Extraction for Double-Base Propellant Analysis. G. K. Landram, A. A. Wickham, and R. J. DuBois

107

Determination of Aluminum by Potentiometric Titra­ tion with Fluoride. E. W. Baumann

110

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Quinhydrone Electrode Drift. M. J. Goodfriend, Jr. 30

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Kinetics of Ligand Exchange Reaction of Ethylenediaminetetraacetate Ion with Ethylenediaminetetraacetatonickel(ll). J. D. Carr and C. N. Reilley

51

A Miniature Digital Computer for Reaction Rate Analy­ sis. R. A. Parker, H. L. Pardue, and B. G. Willis

56

George Dahlgren and m

Determination of Vanadium in Natural Waters by Neu­ tron Activation Analysis. K. D. Linstedt and Paul Kruger

113

Design, Construction, and Use of a Laser Fragmenta­ tion Source for Gas Chromatography. B. T. Guran, R. J. O'Brien, and D. H. Anderson

115

Electrochemical-Enzymatic Analysis of Blood Glucose and Lactate. D. L. Williams, A. R. Do/g, Jr., and Alexander Korosi

118

Trace Determination of Uranium in Biological Material by Fission Track Counting. B. S. Carpenter and C. H. Cheek

121

Radiochemical Determination of Sulfur-35 in Large Samples of Vegetation. C. P. Willis, D. G. Olson, and C. W. Sill

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Short-Time, Spatially-Resolved Radiation Processes in High-Voltage Spark Discharge. R. D. Sacks and J. P. Walters

61

Second Harmonic Alternating Current Polarography. Some Experimental Observations with the Zinc, IonZinc Amalgam System in Chloride Media. T. G. McCord and D. E. Smith

Atomic Absorption Interferences of Tin. P. O. Juliano and W. W. Harrison

84

Fluoride Electrode as a Reference in the Determina­ tion of Nitrate Ion. S. E. Manahan

128

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5-Dimethylaminonaphthalene-l-Sulfonic Acid (DANS Acid) as Standard for Quantum Yield of Fluorescence. C. M. Himel and R. T. Mayer

130

Vapor-Programmed Preparative Thin-Layer Chroma­ tography, a Technique with Improved Resolving Power. R. A. de Zeeuw and Jaap Wiisbeek

ANALYTICAL CHEMISTRY, VOL. 42, NO. 1, JANUARY 1970

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Contributed Articles

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Solvent Extraction and Gas Chromatography of the Rare Earth Mixed-Ligand Complexes of Hexafluoroacetone and Tri-n-Butylphosphate. W. C. Butts and C. V. Banks

133

Objective Method of Data Reduction for Particle Size Analysis by Cumulative Sedimentation Method. G. B. Smith and G. V. Downing, Jr.

136

Complete Gas Chromatographic Analysis of Homo· and Copolymers of Polyamide Resins. Sa da ο Mori, Motohisa Furusawa, and Tsugio Takeuchi

138

Aids for Analytical Chemists

TLC Applicator

Graph for Attaining Maximum Separation in Unidimensional Multiple Chromatography. Gilbert Gold­ stein

140

A Simple Method for Determination of Fission Gases Trapped in Irradiated Fuel Forms. D. W. Sheibley

142

Coulometric Determination of Inorganic Halide Im­ purities in Polystyrene after Dissolution in 2-Butanone. W. R. Carroll

144

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