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Investigation into the Mechanism of Desolvation of Sam ple Droplets in Flame Spectrometry ... D. F. Hunt and J. F. Ryan, ///. Now, a 3-year reference ...
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FUTURE ARTICLES Method for the Determination of Mercury in Biological Ma­ terials by Neutron Activation Analysis H. L. Rook, T. E. G///S, and P. D. LaFleur Liquid Scintillation Counting of Low Level Carbon-14 Com­ ponents in Gases R. £. Bosshart and R. K. Young Semi-Integral Electroanalysis: M. Grenness and Κ. B. Oldham

Theory and Verification

Voltammetric Behaviors at Platinum and Decomposition Potentials of Alkali Tungstate and Polytungstate Melts L. Meites, E. Banks, and C. W. Fleischmann Voltammetry in Methanol, Ethanol, and Sulfolane as Sol­ vents J. F. Coetzee and J. M. Simon Determination of Glibomuride in Blood by Differential Pulse Polarography J. A. F. de Silva and M. R. Hackman

Factor Analysis of Some Clinical and Physical Influences in Gas-Liquid Chromatography P. H. Weiner and D. G. Howery Characterization of Gas Chromatography Scanning Fluorescence Spectrometry D. J. Freed and L. R. Faulkner

Effluents via

Investigation into the Mechanism of Desolvation of Sam­ ple Droplets in Flame Spectrometry N. C. Clampitt and G. M. Hieftje Study of Gamma-Ray Spectrum Distortion by Mathematical Smoothing H. P. Yule Identification of Organochlorine Pesticide Residues by Ul­ traviolet Solid-Phase Photolysis D. E. Glotfelty Application of a Sequential Reduction Regimen to Frac­ tionation of Essential Oils P. A. Hed/'n, A. C. Thompson, and R. C. Gueldner Continuous Analysis of Ascorbic Acid by Photobleaching of Methylene Blue V. R. White and J. M. Fitzgerald Bi-Gaussian Fitting of Skewed Peaks T. S. Buys and K. De Clark

Wax-Bound Lead-Dioxide Potentiometric Electrode and Ap­ plications to Chelatometric Titration C. N. Wang, P. J. Kinlen, D. A. Schoeller, and C. 0. Huber

X-Ray Photoelectron Spectroscopy of Fluoropolymers C. R. Ginnard and W. M. R/ggs

Theory of Potential Scan Voltammetry with Finite Diffu­ sion: Kinetics and Other Complications H. E. Keller and W. M. Reinmuth

Argon-Water Mixtures as Reagents for Chemical Ionization Mass Spectrometry D. F. Hunt and J. F. Ryan, ///

Now, a 3-year reference electrode that doesn't have a glass jaw. It's so durable, we promise a free replacement if our PermaProbe™ Solid-State Reference Electrode body gets broken during the first three years of service. That's because this is the tough ^ one, the one with a solid, Bfc^^^. unbreakable body and n0 SflBBHfe^^^^ S'ass

electrode holders, and is supplied with standard pin connector. The nonflowing junction, easily cleared, makes the Perma-Probe best for dirty samples, heavy or thick suspensions, and soil and mineral applications. But this rugged, long-life unit is equally problem-free in almost any application and works with all modern laboratory pH meters. Get the rest of the facts. Write for: Data File 27,

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flowing °^m||^^^^|^H lyte junction, so n o ^ ^ i ! | B j | j ^ ^ ^ H filling hole and no ' ' Ι ' ί η 9 · ^ ^ Η Β | Η Operates up to 100°C, t h r o u g h ^ ^ » range of 0-12 pH and pressures to 100 psi. Just 51/2 " long, Vz " diame­ ter. Fits all standard laboratory

CIRCLE 16 O N READER SERVICE CARD

118 A ·

ANALYTICAL CHEMISTRY, VOL. 44, NO. 6, MAY 1972

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: Instruments si on, ckman struments, ic.,2500 arbor julevard, ilerton, Eornia 92634.

Beckman®

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