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Teknivent Corp.
1
TWO SYSTEMS IN ONE IftCKAGE Τ EKNIVEN VECTOR/ONE Τ AN EXCITING BREAKTHROUGH IN MASS SPECTROMETRY AND CHROMATOGRAPHY COMPUTING. VECTOR/ONE™ is the first data acquisition/ control system designed specifically to fully auto- mate any type of mass spectrometer, while doubling as a cost-effective work station for the chromato- graphy professional. VECTOR/ONE provides fast data acquisition and data reduction, as well as a powerful general purpose computer for the lab manager/chemist. PC-SPEC, Teknivent's mass spec operating system, has struck a responsive chord for both new and highly experienced spectroscopists. The unit features superb performance in a low-cost package. PC-CHROM is a companion foreground/back- ground operating system which can process re- corded sample runs while acquiring data from up to sixteen chromatographs simultaneously. (Both systems are also available individually.) Call our toll-free number today to receive our color brochure describing how VECTOR/ONE has the solution to your instrumentation problems wrapped up into one efficient, economical package. Teknivent Corp. · 10774 Trenton Ave. · St. Louis, MO 63132 (800) 523-2921 · (314) 429-7272 (in Missouri) Briefs Determination of Trimethylselenonium Ion in Urine by Ion-Exchange Chromatography and Molecular Neutron Activation Analysis 1937 Protein-bound seleno-amino acids and interfering ions are removed by anion exchange/cation exchange chromatography. The TMSe fraction is then irradiated with neutrons and radioassayed for 77m Se activity. TMSe recoveries are 91.9 ± 7.6%. Alan J. Blotcky and Gregory T. Hansen, Medical Research, V.A. Medical Center, Omaha, Neb. 68105, and Laura R. Opelanio-Buencamino and Edward P. Rack*, Department of Chemistry, University of Nebraska, Lincoln, Neb. 68588-0304 Anal. Chem., 57 (1985) Cobalt Preconcentratton on a Nitroso-R Salt Functional Resin and Elutton with THanium(lll) 1941 Strongly acidic titanium trichloride is used to completely recover cobalt from the resin. No further treatment is required for cobalt determination by atomic absorption spectrometry. Renato Stella*, M. T. Ganzerli Valentini*, and L. Maggi, Dipartimento di Chimica Générale e Centro di Radiochimica ed Analisi per Attivazione del CNR, Université di Pavia, Viale Taramelli 12,27100 Pavia, Italy Anal. Chem., 57 (1985) Artifacts in the Use of Selective Chemical Extraction to Determine Distributions of Metals between Oxides of Manganese and Iron 1944 Misleading distribution information is obtained because of transfer of metals between oxides during extraction and desorption without dissolution caused by changes in pH. Edward Tipping*, Nigel B. Hetherington, and John Hilton, Freshwater Biological Association, The Ferry House, Ambleside, Cumbria LA22 OLP, United Kingdom, and Dudley W. Thompson, School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 ITS, United Kingdom, and Emma Bowles and John Hamilton-Taylor, Department of Environmental Sciences, University of Lancaster, Lancaster LAI 4YQ, United Kingdom Anal. Chem., 57 (1985) Rapid Characterization of Iron Ore by Fourier Transform Infrared Spectrometry 1947 Major elements (except sulfur), relative density, combined water content, size distribution, and iron mineralogy of iron ore samples are predicted from their diffuse- reflectance FTIR spectra. Peter M. Fredericks*, Paul R. Osborn, and Dom A. J. Swinkels, BHP Central Research Laboratory, P.O. Box 188, Wallsend, New South Wales 2287, Australia Anal. Chem., 57 (1985) Decision Tree for Chemical Detection Applications 1951 Chemometric analysis identifies the structural and physiochemical descriptors related to the solid-state fluorescence enhancement of 2-(diphenylacetyl)-l,3- mdanedione-l-(p-(dimethylamino)benzaldazine) with a variety of compounds. William P. Ashman, James H. Lewis, and Edward J. Poziomek*, Research Directorate, Chemical Research and Development Center, Aberdeen Proving Ground, Md. 21010 Anal. Chem., 57 (1985) CIRCLE 203 ON READER SERVICE CARD 972 A · ANALYTICAL CHEMISTRY, VOL. 57, NO. 9, AUGUST 1985 TEKNIVENT
Transcript of Teknivent Corp.
TWO SYSTEMS
IN ONE IftCKAGE
Τ EKNIVEN VECTOR/ONE Τ
AN EXCITING BREAKTHROUGH IN MASS SPECTROMETRY AND
CHROMATOGRAPHY COMPUTING.
VECTOR/ONE™ is the first data acquisition/ control system designed specifically to fully automate any type of mass spectrometer, while doubling as a cost-effective work station for the chromatography professional. VECTOR/ONE provides fast data acquisition and data reduction, as well as a powerful general purpose computer for the lab manager/chemist.
PC-SPEC, Teknivent 's mass spec operat ing system, has struck a responsive chord for both new and highly experienced spectroscopists. The unit features superb performance in a low-cost package.
PC-CHROM is a companion foreground/background operating system which can process recorded sample runs while acquiring data from up to sixteen chromatographs simultaneously. (Both systems are also available individually.)
Call our toll-free number today to receive our color brochure describing how VECTOR/ONE has the solution to your instrumentation problems wrapped up into one efficient, economical package.
Teknivent Corp . · 10774 Trenton Ave. · St. Louis, M O 63132 (800) 523-2921 · (314) 429-7272 (in Missouri)
Briefs
Determination of Trimethylselenonium Ion in Urine by Ion-Exchange Chromatography and Molecular Neutron Activation Analysis 1937 Pro te in -bound seleno-amino acids and interfering ions are removed by anion exchange/cat ion exchange chromatography. T h e T M S e fraction is t h e n i r radia ted with neu t rons and radioassayed for 7 7 mSe activity. T M S e recoveries are 91.9 ± 7.6%. Alan J . Blotcky and Gregory T. Hansen, Medical Research, V.A. Medical Center, Omaha, Neb. 68105, and Laura R. Opelanio-Buencamino and Edward P . Rack*, Department of Chemistry, University of Nebraska, Lincoln, Neb. 68588-0304
Anal. Chem., 57 (1985)
Cobalt Preconcentratton on a Nitroso-R Salt Functional Resin and Elutton with THanium(lll) 1941 Strongly acidic t i t an ium tr ichloride is used t o complete ly recover cobal t from the resin. N o fur ther t r e a t m e n t is required for cobalt de te rmina t ion by a tomic absorpt ion spect rometry . Renato Stella*, M. T. Ganzerli Valentini*, and L. Maggi, Dipartimento di Chimica Générale e Centro di Radiochimica ed Analisi per Attivazione del CNR, Université di Pavia, Viale Taramelli 12,27100 Pavia, Italy Anal. Chem., 57 (1985)
Artifacts in the Use of Selective Chemical Extraction to Determine Distributions of Metals between Oxides of Manganese and Iron 1944
Misleading dis t r ibut ion information is obta ined because of transfer of meta ls be tween oxides dur ing extract ion and desorpt ion wi thout dissolution caused by changes in p H . Edward Tipping*, Nigel B. Hetherington, and John Hilton, Freshwater Biological Association, The Ferry House, Ambleside, Cumbria LA22 OLP, United Kingdom, and Dudley W. Thompson, School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 ITS, United Kingdom, and Emma Bowles and J o h n Hamilton-Taylor, Department of Environmental Sciences, University of Lancaster, Lancaster LAI 4YQ, United Kingdom
Anal. Chem., 57 (1985)
Rapid Characterization of Iron Ore by Fourier Transform Infrared Spectrometry 1947
Major e lements (except sulfur), relat ive densi ty, combined water content , size d is t r ibut ion, and iron mineralogy of iron ore samples are predic ted from thei r diffuse-reflectance F T I R spectra .
Pe ter M. Fredericks*, Paul R. Osborn, and Dom A. J . Swinkels, BHP Central Research Laboratory, P.O. Box 188, Wallsend, New South Wales 2287, Australia
Anal. Chem., 57 (1985)
Decision Tree for Chemical Detection Applications 1951 Chemomet r i c analysis identifies t h e s t ruc tura l a n d physiochemical descriptors re la ted to t h e solid-state fluorescence e n h a n c e m e n t of 2-(diphenylacetyl) - l ,3-mdanedione- l - (p - (d imethylamino)benza ldaz ine) with a var ie ty of compounds .
William P . Ashman, James H. Lewis, and Edward J . Poziomek*, Research Directorate, Chemical Research and Development Center, Aberdeen Proving Ground, Md. 21010
Anal. Chem., 57 (1985)
CIRCLE 203 ON READER SERVICE CARD
972 A · ANALYTICAL CHEMISTRY, VOL. 57, NO. 9, AUGUST 1985
TEKNIVENT
