NEW PRODUCTS
AA. SpectrAA-5 atomic absorption spectrometer allows measurements to be made in absorbance, concentration, or emission modes. The system in cludes a multialkali photomultiplier tube, spray chamber/nebulizer, and burner. Varian Associates 404 SFE. Carlo Erba SFE 30 is an automat ed supercritical fluid extraction system designed for on-line coupling with high-resolution GC or SFC. Applica tions include environmental, food, polymer, geochemical, and petroleumrelated analyses. Fisons Instruments 405 NMR. Model R-1200 rapid-scan 60-MHz NMR spectrometer allows spectra to be acquired 10 times faster than with conventional analog instru ments. Chemical shift values are calcu lated automatically and printed on the spectrum at the appropriate peak posi tion. Hitachi Instruments 406 Detector. ERC 7515 refractive index detector incorporates a flow controller mechanism that allows circulation of mobile phase to the reference cell re gardless of pressure fluctuations. Limit of detection is 0.05 /tg/mL of sucrose (7.5 X 10~9 RIU), and linearity is ± 50 X 10~5 RIU. Applied Chromatography Systems 407 Process analysis. VOA is an onstream water effluent analyzer for de tection and identification of volatile or ganic and hydrocarbon contaminants in wastewater streams. The system in cludes a volatile organics stripper unit, a gas chromatograph with flame ioniza tion detector, and an alarm system. Fluid Data»Amscor 408 FT-IR. Model IFS 66v bench-top FT-IR spectrometer accommodates bolometers in addition to room-tem perature and liquid-nitrogen-cooled detectors. The IR beam can be directed outside the bench for use with ultrahigh-vacuum chambers, microscopes, or hyphenated techniques. Bruker In struments 409 GC. Model 501 vinyl chloride monitor is an automated GC system dedicated to screening vinyl chloride in air ac cording to OSHA and EPA require ments. Data output includes concen
MasterSlzer/E laser particle size analyzer, designed for the analysis of powders, suspensions, or emulsions, features a measurement range of 0.1-600 μνη. The system includes a magnetically stirred, small-volume sample cell. Malvern Instru ments 402 tration in ppm, time-weighted average, number of times the TLV has been ex ceeded, maximum concentration, time, and date. HNU Systems 410
VGA, or Hercules graphics. X-charts, R-charts in Schewart and Levey-Jen nings formats, and standard x-y plots are available. Labtronics 415
Amino acids. Amino acid analyzer is designed for the determination of the amino acid composition of protein hydrolyzates and physiological fluids. The system completes routine analyses at the picomole level within 30 min. Knauer 411
Instrument control. Laboratory Co ordinator is a software package that al lows users to control instruments, col lect data, perform data analysis, and print reports automatically. Instant data parsing, standardized procedures, and automatic storage and retrieval of data are provided. LabPro Systems 416
Chromatography. Model 746 data module stores methods and data files for analysis, integration, and repro cessing. The system is designed for HPLC, GC, IC, GPC, and capillary electrophoresis applications. Waters Chromatography Division of Millipore 412 Ozone. LOZ-3 ozone detector is a por table analyzer for the continuous de termination of ozone in air at levels down to 1 ppb. Features include auto matic baseline stabilization, selfchecking diagnostics, and a 4-h inter nal battery. Questran 413
Software QC charts. QC Talk is a quality con trol program for PC-XT and PC-AT computers equipped with CGA, EGA,
922 A · ANALYTICAL CHEMISTRY, VOL. 62, NO. 17, SEPTEMBER 1, 1990
Manufacturers' Literature LC. Technical bulletin describes the use of LC in purity and stability testing of bulk and formulated pharmaceuti cals, with particular emphasis on meth od development and validation. 20 pp. Perkin-Elmer 418 N e w s l e t t e r . Analytical News pro vides information on drug identifica tion in race horses by GC/MS and on instrumentation and software for iso tope MS. Finnigan MAT 420 For more information on listed items, circle the appropriate numbers on one of our Readers' Service Cards
NEW
PRODUCTS
AutoSystem gas chromatograph in cludes a built-in 82-position autosampler. Parameters for two separate automation modes, as well as the sys tem's three speeds of injection and five GC methods, can be programmed through the keyboard. Perkin-Elmer
401 Environmental analysis. Brochure discusses Century OVA portable or ganic vapor analyzers. Applications in clude soil gas monitoring, natural gas
leak detection, arson investigation, and monitoring of leaking underground storage tanks. Foxboro 419
tainers, centrifuge tubes, reference so lutions, pipets, and syringe dispensers. 33 pp. Oxford Labware 430
Spectrometer. Brochure highlights the JY 50E spark emission spectrome ter, which is capable of determining up to 47 elements in < 1 min. Principles of operation, specifications, and applica tions are discussed. Instruments SA 421
Instrumentation. Catalog features analytical instruments for rental, leas ing, and direct purchase. Included are gas, liquid, and ion chromatographs; FT-IR, UV-vis, fluorescence, and AA spectrometers; and data systems. U.S. Analytical Instruments 426
MS. Brochure describes applications of inorganic MS in the analysis of semi conductor materials and processes. In cluded is information on gas analysis by APIMS and depth profiling and im aging with magnetic-sector SIMS. VG Instruments 423
FT-IR. Catalog features sampling ac cessories and supplies for FT-IR spec troscopy. Products for liquid, solid, gas, and high-temperature sampling are included. 46 pp. Spectra-Tech 427
Catalogs LC. Catalog features HPLC columns and packings, including chiral, afunc tional, and base-deactivated phases as well as microbore and SFC columns. ES Industries 425 Clinical analysis. Catalog includes glucose tolerance test beverages, cups for automatic analyzers, specimen con
LABORATORY
Chemicals. Catalog lists more than 10 000 organic, inorganic, and biochemicals. Structural formulas and lit erature references describing new ap plications are provided. 1480 pp. Fluka Chemical 428 Autosamplers. Catalog features chro matography autosampler vials and ac cessories, including glass and plastic vi als; crimp, plug, and screw cap closures; and seals, sleeves, and springs. 36 pp. Chromacol 429
SERVICE CENTER
PARTICLE SIZE STANDARDS NB5 traceable calibration standards and controls. Large assortment of diameters from 0.02 to 2000 μνη. Micro spheres of polystyrene, glass and fluorescent materials. Free catalog available. Toll Free 800-334-3883. In Calif. 41S-962-1100. FAX 415-962-0718 Duke Scientific Corporation
ECS • • • •
1135D SAN ANTONIO ROAD PALO ALTO, CALIF. 94303
707 fax 707
CUSTOM MADE ELECTRODES pH GLASS in tubing, rods or discs ION SELECTIVE ELECTRODES GAS SENSING ELECTRODES C02 NH
98Λ·ό493 459*4420
3
• SHORT RUNS TO YOUR SPECIFICATIONS Electrochemical Specialties 140 Branscomb Road Box 150 Laytonvjlle, CA
FREE DATA, FAST To quickly amass data on all of the products you need, consult the Lab Data Service section on our Analytical Chemistry reader reply card insert.
95454
Laboratory Service Center (Equipment, Materials, Services, Instruments for Leasing), Maximum space — 4 inches per advertisement. Column width, 2-3/16"; two column width, 4-9/16". Artwork accepted. No combi nation of directory rates with ROP advertising. Rates based on number of inches used within 12 months from first date of first insertion. Per inch: 1" — $165; 12" — $160; 24" — $155; 36" — $150; 48" — $145.
HELP WANTED ADS ROP display at ROP rates. Rate based on number of insertions within contract year. Cannot be combined for frequency. Unit 1" (25 mm)
1-T1 $190
6-TI $170
12-TI $160
24-TI $150
48-TI $140
72-TI $130
CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY 500 Post Road East P.O. Box 231 Westport, CT 06880
203-226-7131 FAX: 203-454-9939
CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY 500 Post Road East P.O. Box 231 Westport, CT 06880 203-226-7131 /FAX: 203-454-9939 924 A · ANALYTICAL CHEMISTRY, VOL. 62, NO. 17, SEPTEMBER 1, 1990
USE LABORATORY SERVICE CENTER