FUTURE ARTICLES A New Machine for Automated Solid Phase Synthesis V. J. Hruby,
L Ε. Barstow,
and T.
Linhart
Solutions of CuSCN in Molten Tetra-N-Pentyl Ammonium Thiocyanate M. A. Kowalski and G. W. Harrington Spectrophotometric Analysis of Phenols and of Sulfonates by Formation of an Azo Dye L. R. Whitlock, S. S/gg/a, and J. E. Smo/a Short Cut Fused Peak Resolution Method for Chromatograms
A Simple and Versatile Atomic Fluorescence System for the Determination of Nanogram Quantities of Mercury V. /. Muscat, T. J. Vickers, and A. Andren
S. M. Roberts
Fast Reaction Flow System Using Crystal-Membrane IonSelective Electrodes H. /. Thompson
and G. A.
Rechnitz
Detection and Determination of Some Carboxylic Acids in Aqueous Solution by Nickel(ll)-Catalyzed Hydroxamic Acid Formation K. A. Connors and J. W. Munson
Automated Method for Determination of NTA in Natural Water, Detergents, and Sewage Samples
Alternating Current and Direct Current Voltammetry with a Mercury Pool Electrode in Concentrated Hydrofluoride Acid
Measurement of Flame Temperatures by a Two-Line Atomic Absorption Method R. F. Browner and J. D. Winefordner
A. M. Bond, T. A. O'Donnell,
B. K. Afghan,
P. D. Goulden,
and J. F. Ryan
and R. J. Taylor
Signal-to-Noise Ratio in Fourier Transform Spectrometry Η. Μ. Pickett and H. L. Strauss
Simultaneous Automated Determination of Hydralazine Hydrochloride, Hydrochlorothiazide, and Reserpine in Single Tablet Formulations T. Urbanyi and A. O'Connell
A Kinetic and Mechanistic Study of the Reduction of Cu(ll) in LiNOg Using Alternating Current Polarography
On the Voltammetric Behavior of the Carbon DioxideOxygen-Carbonate System in Molten Alkali Nitrates P. G. Zambonin
Gas-Solid Chromatography of Organic Compounds Using Steam as the Carrier Gas A. Nonaka
/j-Glucosidase Enzyme Determination with Ion-Selective Electrodes
A New Computerized Infrared Substance Identification System R. W. Sebesta and G. G. Johnson, Jr.
R. A. Llenado
and G. A.
Rechnitz
F. M. Hawkridge
and Η. Η. B a u e r
Does the MOLECULAR SIEVE you are now using give reproducible results? The standard material for GC analysis of 0 : and IM: is now available with assurance of quality.
Pretested Molecular Sieve Proper preparation and pretesting of the final product guarantees these molecular sieves for excellent performance. Each batch is supplied with test results of the 0 2 / N 2 separation under specific operating conditions in the chromatogram at left. Two types of sieves are available in all mesh sizes... PT MOLECULAR SIEVE 5A -- for trace analysis PT MOLECULAR SIEVE 13X - for speed analysis OLher high quality products available include: GAS-CHROM R (GC -22 Super Support), activated alumina, activated charcoal and silica gel (Grade 08).
Separation of H j , 0 2 and N 2 . Column: 6" χ 1/8" copper P. W. MOLECULAR SIEVE 5A 60/80. He carrier, 15 psig. at 18 ml/min. Col. temp. 24°C. Thermistor de tector at 10 ma with sensitivities as shown.
98 A
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Applied Science Laboratories Inc. P.O. Box 4 4 0 / State College, Penna. 16801 / 814-238-2406
CIRCLE 6 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 4 3 , NO. 14, DECEMBER 1 9 7 1
