NEW PRODUCTS
Instrumentation Thermal analysis. Model DSC12E microprocessor-controlled differential scanning calorimeter features isothermal and dynamic operating modes and a temperature range of - 4 0 to 400 °C. An LCD display indicates test p a r a m e t e r s including start/end temperatures and heating rate. Mettler 401 D r u g testing. ITS40 Witness System consists of a gas chromatography mass spectrometer and software designed for drug-testing laboratories. Full mass spectra are used for drug identification. Finnigan MAT 402 Nucleic acids. Model 785 vacuum blotter transfers DNA or RNA from an agarose gel onto a solid support membrane. The unit is unaffected by acids and bases commonly used for depurination or denaturation. BioRad Laboratories 403 Detector. ELSD IIA is an evaporative l i g h t - s c a t t e r i n g detector d e signed for HPLC, GPC, and SFC applications. The system operates with a stable, noise-free baseline during a gradient run and accommodates microbore and analytical solvent flow rates. Varex Corp. 404 Air analysis. Model FP-000A combustible hydrocarbon sensor consists of a matched pair of catalytic sensor beads mounted in a stainless steel housing, a control t r a n s m i t t e r circuit, an explosion-proof junction box, and a machine-fitted splash guard. Detcon 405 Moisture. Span Pac H 2 0 generates moisture standards in concentrations ranging from 0.1 ppm to > 1000 ppm. The unit, which can be remotely or manually operated, accommodates disposable and refillable permeation tubes. Kin-Tek Laboratories 406 C h r o m a t o g r a p h y . LC S t a r 9100 AutoSampler is a microprocessorbased, stand-alone unit for automated HPLC applications. Features include 105-sample capacity and an air-cooled refrigeration option. Varian 407
G C . ATD 400 t h e r m a l desorber, which incorporates an electrically cooled trap and inert flow path, is compatible with any gas chromatograph and all column types. Split points on the cold trap inlet and outlet facilitate independent control of the flow rates during analysis. Perkin Elmer 408 FT-IR. Model 510 FT-IR spectrometer features a frictionless flex-pivot interferometer design and resolution of 0.8 c m - 1 . The spectrometer operates with the IBM PC and compatible computers, Apple Macintosh computer systems, a n d t h e 620 RISC processor. Nicolet 409 Diffraction. FPD 900 series powder diffractometers are designed for m a t e r i a l s r e s e a r c h , geological, a n d pharmaceutical applications. System configurations include a choice of incident beam monochromators a n d solid-state energy-dispersive detectors. Philips Electronic Instruments 410
Software Image analysis. JAVA version 1.4 is designed for the quantitative analysis of video or digital images. Features include image snapshots, image bit map transforms, enhanced macro facilities, and data worksheet formatting and printing. Jandel Scientific 411 C u r v e f i t t i n g . M i n i - S q u a r e is a nonlinear curve fitting and modeling package t h a t provides publicationquality x-y plots. Data entered from the keyboard or from a data file can be plotted on the screen, edited, annotated, archived, and reproduced on almost any dot matrix printer. Dynacomp 412
Manufacturers' Literature Chromatography. Waters Column features articles on high-resolution GPC cleanup of environmental samples and on capillary ion analysis. 16 pp. Waters Chromatography Division of Millipore 413
738 A · ANALYTICAL CHEMISTRY, VOL. 63, NO. 14, JULY 15, 1991
CT-1000 constant-temperature bath is designed for kinematic viscosity determinations with glass capillary viscometers. The unit maintains accurate temperature control of ± 0.01 °C within the range of 20-150 °C. Cannon Instrument Co. 414 F l u o r e s c e n c e . Booklet describes optical filters and coatings for fluorescence i n s t r u m e n t a t i o n . S p e c t r o g r a p h s of filter sets for specific fluorescent dyes are included. 28 pp. Omega Optical 415 N e w s l e t t e r . Environmental Lab Automation Notes, Vol. 2, No. 1, features articles on automation of groundwater and wastewater sample analysis and on automated soil extraction systems. 8 pp. Zymark Corp. 416 IR. Literature describes the design and operational characteristics of IR analytical instruments that use narrow bandpass filters for wavelength discrimination. Applications for liquid and gas stream analysis are discussed. GAC 417
Companies interested in a listing in this department should send their releases directly to ANALYTICAL CHEMISTRY, Attn:
New Products, 1155 16th Street, N.W., Washington, DC 20036.
