CONTRIBUTED ARTICLES Scientific Communications
Carbon Skeleton Chromatography Using Hot-Wire Thermal-Conductivity Detection. Morton Beroza and
Use of Electronic Computers in Searching O u t Nutri tional Interrelationships. W. H . JAMES . . . .
Bracket Method for Molecular Weight Determina tion of Pyrolysis Products Using Gas Chromatog raphy with a Gas Density Detector. J. S. PARSONS
Rafael Sarmienlo
Study of Solid Support and Partition Liquid Interac tions in Gas Chromatographic Separation of Ethanol-Methanol Mixtures. E. D. Smith, J. L. 1849
Johnson, and J. M. Oalhouf
1750
Studies of the Liquid Phase Mass-Transfer Term in
Detection of Traces of Polynuclear Aromatics in Hy drocarbons by Gas Chromatography. H . J. DAWSON, JR
1 744
1848
G a s Chromatography.
J. K. Barr and D. T. Sawyer
.
1 753
1852
Determination of Residual Monomers in Latex by Gas Chromatography. J. P. Buettner
R a p i d Color Test for M e r c a p t a n O d o r a n t in Lique fied Petroleum Gas. P. V. PEURIFOY, M . J. O ' N E A L , J R . , AND ISAAC DVORETZKY
1 759
1853
Formation Constants of Nickel(ll) and Zinc(ll) Com plexes of Dithizone and Related Compounds. K. S.
Application of an Analog Computer in Analytical Chromatographic and Electrophoretic Separa tions.
L. B. Wilkinson, C. W. Norman, and
K E N N E T H A B E L AND F. W. N O B L E
Math, Quintus Fernando, and Henry Freiser
1 762
1855
An Investigation of the Dissociation Phenomena of Quinoline-8-Selenol in W a t e r and Aqueous Dioxane.
J. L. Sudmeier, and C. N. Reilley
1 698
Sulfate M e d i a .
1 707
Quantitative Determination of Hydrogen and Fluorine in Organic Compounds by Nuclear Magnetic Resonance Spectrometry, p. j . Paulsen and W. D. Cooke
Van Loon and F. E. Beamish
1771
A Study of the Cerium(IV)—Oxalate Reaction in Acidic
Nuclear Magnetic Resonance Studies of Protonation of Some Polyaminocarboxylate Compounds Con taining Asymmetric Carbon Atoms. J. L. Sudmeier and C. N. Reilley
1708
Ion Exchange Separation of Microgram Quantities of Osmium from Large Amounts of Base Metals. J. C.
Nuclear Magnetic Resonance Studies of Protonation of Polyamine and Aminocarboxylate Compounds in AqueOUS Solution.
Eiichi Sekido, Quintus Fernando, and Henry Freiser
Y. A. El-Tantawy and G. A. Rechnitz
.
1 774
Separation, Identification, and Spectra of the Anionic Chromium(lll)—Thiocyanate Complexes. Sheldon Kaufman and L. S. Keyes
1713
Determination of Hydrogen in Niobium.
1 ΎΤ7
R. J. Walter
and H. G. Offner
Determination of Active Hydrogen Magnetic Resonance Spectrometry.
by Nuclear P. J. Paulsen
and W. D. Cooke
Chronopotentiometry and Chronoamperometry with Unshielded Planar Electrodes, p. j . Lingane . . .
1 779
172 1
Cold Combustion for the Quantitative Determination of Amalgable Metals in the Presence of Their Oxides in Treated Ores. M. G. Habashy
1723
Determination of Traces of Alkaline Earths in Alkali Halides by Spectrophotometric Titration in the Ultraviolet.
1781
E. P. Parry and G. W. Dollman
1783
Characterization of Selected Heavy-Metal Salts as Adsorbents for Gas Chromatography. A. G. Altenau and L. B. Rogers
1726
Formation of Lead Chloride Fluoride at Lower pH Values for Gravimetric Purposes. R. A. Bournique and L. H. Dahmer
Piezoelectric Sorption Detector,
w. H. King, Jr
Electron Drift-Velocity Detector for Gas matography. V. N. Smith and J. F. Fidiam
1786
1735 Rapid Chemical Analysis of Refractory Chrome Ores and Chrome-Bearing Refractories C S. Richards
Chro 1 739
and E. C. Boyman
1 790 VOL. 36, NO. 9, AUGUST 1964
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3 A
CONTRIBUTED
ARTICLES
Separation o f Lead b y Anion Korkisch and Franz Feik
Exchange.
Johann 1 793
Solvent Extraction of Platinum a n d Palladium with Derivatives of Dithiocarbamic Acid. J. T. Pyle and W. D. Jacobs
Indirect Spectrophotometric Determination monia. J. H. Howell and D. F. Boltz
Ion Exchange Separation of Acetamide from Am monium Acetate and Its Determination. Perry King and J. R. Simmler
1837
Determination of Fluorine in Fluorine-Oxygen Mix tures. Samuel Kaye and J. E. Koency
1 838
Factors Influencing Spectrofluorometry of Phenothiazine Drugs. T. J. Mellinger and C. E. Keeler
1 840
of A m 1 799
Ultraviolet Spectrometric Determination of Mixtures of Arylsulfonic Acids. J. M. Arends, Hans Cerfontain, I. S. Herschberg, A. J. Prinsen and A. C. M. Wanders. . . .
A Reversible Internal Indicator for Sodium Titrations. A. A. Schilt and J. W. Sutherland
1 796
Spectrophotometric Determination of p-Chloroacetanilide in Phenacetin-Acid Hydrolysis Method. W. B. Crummett, J. Simek, and V. A. Stenger 1834
1 802
Nitrate 1 805 Correspondence
Tabulation f o r Deriving Procedural Rate Constants from Dynamic Thermograms. J. A. Magnuson. . . . 1 8 0 7
Determination of Acetic Acid in Blood a n d O t h e r Tissues b y Vacuum Distillation a n d G a s Liquid Chromatography. David lester 1810
Reduction of Aromatic Disulfides with Triphenylphosphine. R. E. Humphrey and J. M. Hawkins 1812
Determination of M i c r o g r a m Quantities of Chloride in High Purity Titanium b y X - R a y Spectrochemical Analysis. J. S. Rudolph and R. J. Nadalin 1815
A p p r o x i m a t e Degrees of Polymerization of Cellulose Esters from Intrinsic Viscosities. L B. Genung . . . . 1 8 1 7
Spectrophotometric Determination of Trace Fluoride in O r g a n i c Compounds Following Combustion in O x y h y d r o g e n Flame—Quartz Combustion Tube. D. E. Willis and W. T. Cave 1821
A R a p i d M e t h o d for the Determination o f Micro Amounts of Sulfur in Selenium. Laszlo Acs and Silvio Barabas 1825
Analysis of Bound Styrene—Butadiene Content o f C o polymers b y Infrared Absorbance Ratio M e t h o d . A. S. Wexler
Determination of C a r b o n in Sodium b y Isotope Dilu tion Mass Spectrometry. K. Y. Eng, R. A. Meyer, and C. D. Bingham 4 A
•
ANALYTICAL CHEMISTRY
Spectrophotometric Determination of Silicon in Ethyl and Polyethyl Silicates by the Molybdovanadate Method. R. B. Lew and Walter Oyung . . 1 8 5 7
Determination of Iron(lll) by (Ethylenedinitrilo)tetraacetic Acid Replacement Titrimetry Follow ing Selective Separation by Column Extraction. 5. S. Yamamura
1858
Column Extraction-Spectrophotometric Determina tion of Iron. M. A. Wade and S. S. Yamamura . . .
1801
Coulometric Titration of Total Antimony and Antimony(lll) in Glasses, w. M. Wise and J. P. Williams.
1863
Thin Layer Chromatography of Vitamin A and Re lated Compounds. T. N. R. Varma, Thavil Panalaks, and T. K. Murray
1 804
Spectrophotometric Determination of Hydrogen Content in H e a v y W a t e r . Gilbert Gordon and Hideo Yamatera
I860
Spectrophotometric Determination of Cerium wiih Thenoyltrifluoroacetone after Cupferron-Chloroform Extraction. Hiroshi Onishi and Yukio Toita .
1 867
X-Ray Fluorescence Spectrometric Analysis of the IronOll), Cobalt(ll), NickeKll), and Copper(ll) Che lates of 8-Quinolinol. Κ. Ε. Dougherty, R. J. Robinson, and J. I. Mueller
1 869
1 829
1 832
CONTRIBUTED ARTICLES
WHAT! ...
Spectrophotometry Determination of Rhenium with Alpha-Pyridildioxime. Fred Trusell and R. J. Thompson
another new catalog?...
1 8Z0
Spectrophotometric Determination of Glycyrrhizic Acid in Licorice Extract, R. H. Cundiff 1871
Voltammetric Determination o f Permanganate at the Gold Electrode, c. o. Huber
1 873
Spectrophotometric Determination of Urea-For maldehyde with Anthrone. R. G. Weslenhouse . .
1875
Extraction of lron(l II) from Concentrated Phosphoric Acid.
Norton Haberman
1 870
Compositional Analysis o f N-Component Systems by the X-Ray Absorption Method. Robert Lefker
• ^ Λ Λ » * ^ Λ / JEW
1 877
Determination of Oxygen in Gallium Arsenide by Neutron Activation Analysis. An Exchange o f Comments.
W. G. Leonhardt ond R. F. Bailey . . . .
1879
Quantitative Analysis o f Low-Boiling Phenols b y Capillary Column Separation o f Trimethylsilyl Ethers.
R. W. Freedman and G. O. Charlier
1 880
Adsorption of Cobalt(lll) Trisethylenediamine at Mercury Electrodes. H. A. Laitinen and L. M. Chambers
Mfigl THAT'S RIGHT!
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. . . we've just completed a new 112 page M E T A L L A B O R A T O RY FURNITURE CATALOG U p - t o - d a t e quality has been our policy for 58 years and we believe u p - t o - d a t e catalogs are required to express this policy— we'll gladly send it to you F R E E .
A Simple Method for the Determination of Hydro gen in the Presence of Oxygen and/or Nitrogen Uriel Sokolov and Gabriel Stein
Fluorocarbons. Young
KEM METAL KEWAUNEE MFG. CO. • ADRIAN, MICH. Circle No. 119 on Readers' Service Card
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J. C. Mailen, T. M. Reed III, and J. A. 1883
Aids for the Analyst R. M. Chrenko
Pneumatic Dewpoint Meter,
ρ ANALYTICAL CHEMISTRY
1 882
Thiourea as Substrate for Gas Chromatography of
Infrared Microcell.
6 A
1881
1883
w. s. Pappas
Intrascintillation Vial Reaction Tube. Edward Geller, and Arthur fuwiler
. . .
1 885
G. G. Slater, 1888
