Beckman INSTRUMENTS, INC.

1
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: Theory and Verification M. Grenness and Κ. B. Oldham 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 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 Theory of Potential Scan Voltammetry with Finite Diffu- sion: Kinetics and Other Complications H. E. Keller and W. M. Reinmuth Factor Analysis of Some Clinical and Physical Influences in Gas-Liquid Chromatography P. H. Weiner and D. G. Howery Characterization of Gas Chromatography Effluents via Scanning Fluorescence Spectrometry D. J. Freed and L. R. Faulkner 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 X-Ray Photoelectron Spectroscopy of Fluoropolymers C. R. Ginnard and W. M. R/ggs 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. CIRCLE 16 ON READER SERVICE CARD 118 A · ANALYTICAL CHEMISTRY, VOL. 44, NO. 6, MAY 1972 It's so durable, we promise a free replacement if our Perma- Probe™ 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 SflBBHfe^^^^ and n0 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, B : Instruments si on, ckman struments, ic.,2500 arbor julevard, ilerton, Eornia 92634. Also, nc >^VH|^^^^|^^^flH flowing electr °^m||^^^^|^H lyte junction, so no ^^i!|Bj|j^^^H filling hole and no ' ' Ι ' ί η 9·^^ΗΒ|Η Operates up to 100°C, t h r o u g h ^ ^ » range of 0-12 pH and pressures to 100 psi. Just 5 1 /2 " long, Vz " diame- ter. Fits all standard laboratory Beckman ® INSTRUMENTS, INC.

Transcript of Beckman INSTRUMENTS, INC.

FUTURE ARTICLES

Method for the Determination of Mercury in Biological Ma­terials by Neutron Activation Analysis H. L. Rook, T. E. G///S, and P. D. LaFleur

Liquid Scintillation Counting of Low Level Carbon-14 Com­ponents in Gases R. £. Bosshart and R. K. Young

Semi-Integral Electroanalysis: Theory and Verification M. Grenness and Κ. B. Oldham

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 Sol­vents 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

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

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

Factor Analysis of Some Clinical and Physical Influences in Gas-Liquid Chromatography P. H. Weiner and D. G. Howery

Characterization of Gas Chromatography Effluents via Scanning Fluorescence Spectrometry D. J. Freed and L. R. Faulkner

Investigation into the Mechanism of Desolvation of Sam­ple 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 Ul­traviolet Solid-Phase Photolysis D. E. Glotfelty

Application of a Sequential Reduction Regimen to Frac­tionation 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

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

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.

CIRCLE 16 O N READER SERVICE CARD

118 A · ANALYTICAL CHEMISTRY, VOL. 44, NO. 6, MAY 1972

It's so durable, we promise a free replacement if our Perma-Probe™ 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, B f c ^ ^ ^ . unbreakable body S f l B B H f e ^ ^ ^ ^ a n d n 0 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,

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

Also, nc>^VH|^^^^|^^^flH flowing e l e c t r ° ^ 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 " diame­ter. Fits all standard laboratory Beckman®

INSTRUMENTS, INC.