NEW
PRODUCTS
pert system based on classification, regression, or combined models for a particular application. The software can be coupled to analytical instru ment systems to function as a turn key custom analyzer t h a t produces control charts and tables for QC. The package runs under Windows 3.0 on a 386 or higher level PC with 4 MB RAM and 5 MB free hard disk space. InfoMetrix 413 HPLC. "Separation Modes in HPLC" software tutorial package presents stationary phases, separation mech anisms, and practical applications for H P L C , R P L C , S E C , I E C , a n d chiral separations. The topics are il lustrated with animated graphics in an interactive mouse-controlled user interface. The software requires a 286 or h i g h e r level PC with 1 MB RAM, 2 MB free space on a h a r d disk, and Windows 3.0. Phenomenex 414
Manufacturers' Literature HPCPC. Literature describes a method for determining t h e hydrophobicity of d r u g s by m e a s u r i n g
their partition coefficients in an octanol/water system using highperformance centrifugal p a r t i t i o n chromatography. The literature fea t u r e s t h e S e r i e s 1000X b e n c h t o p HPCPC column module. Sanki 415 GC. Brochure describes t h e use of retention indexes as a specification for c a p i l l a r y GC c o l u m n p e r f o r mance. Equations, definitions, and sample chromatograms are included. 4 pp. J&W Scientific 416 OES. Data sheet describes the Spectrovac 2000 arc/spark optical emis sion spectrometer, a vacuum spec trometer system with 60-channel capacity. Specifications and opera tional requirements are listed, as are software f e a t u r e s a n d t h e a d v a n tages of using a DC arc source. Baird Analytical 417
GC. Brochure describes the use of a p u r g e - a n d - t r a p s y s t e m for h e a d space and thermal desorption GC de t e r m i n a t i o n s of VOCs in foods a n d beverages. Also m e n t i o n e d a r e an autosampler and an off-line purge unit for large samples ranging from 350 to 1000 mL. Sample chromato g r a m s a n d r u n conditions a r e i n cluded. 8 pp. Chrompack 420
G C / M S . Technical note describes advantages of a chemical ionization source in t h e MD 800 GC/MS sys tem. The system contains CI and EI sources, a n d a t u r b o p u m p - b a s e d v a c u u m system switches b e t w e e n them for a downtime of 1 5 - 2 0 min. 2 pp. Fisons 418
Sample preparation for XRF-AA-ICP-CHEM.
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Biopolymer analysis. Brochure de scribes four systems for separating, d e t e r m i n i n g , a n d s e q u e n c i n g pro teins, peptides, and nucleotides. In cluded a r e t h e Q u a n t a 4000E CE system with membrane fraction col lection for real-time membrane blot ting; the AccQ-Tag amino acid anal ysis system, a dedicated HPLC system with prepackaged eluent and fluorescence - labeling d e r i v a t i z i n g reagents; the Biosdiscovery System for p e p t i d e m a p p i n g , p r o t e i n m i croisolation, and DNA or RNA anal ysis; and LC/MS systems. 4 pp. Millipore/Waters Chromatography 419
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TOFMS. "Proceedings of the Inter national Conference on Instrumenta tion for Time-of-Flight Mass Spec-
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