MANUFACTURERS' LITERATURE
Pulsed-Gas Laser Systems. Two pages give a bibliography of selected technical publications relevant to the company's pulsed-gas laser systems. Avco. 617-389-3000 609
Chemical Index 71-C. A totally new catalog lists over 10,000 chemicals. The index is arranged in 16 sections; the main section contains a complete A-to-Z listing of the company's inorganic and organic reagents, acids, solvents, solutions, dyes, and indicators, Fisher Scientific Co. 412-391-1330 601
Ir Microsampling Techniques. A 14page booklet on infrared microsampling techniques provides data useful in analyses where sample quantity is limited. Microsampling accessories are illustrated. Barnes Engineering Co. 203348-5381 610
Custom Scientific Glassware. Twelve pages give illustrations, specifications, and prices of Fabco products. Included are a Fabco-Busch apparatus for pollution analysis, a water still, and standard items. Houston Glass Fabricating Co. 713-923-2596 602
Plastics Labware. A 44-page 1971 catalog illustrates, describes, and prices laboratoryware. Information is also included in the care and use of plastics labware. Nalge Co. 716-586-8800 611
Tic Plates. Bulletins 52 and 52S list items for use in thin layer and column chromatography. Included are cellulose, silica gel, and micropolyamide cast on glass or Mylar plastic phis other media. Schleicher & Schuell, Inc. 603-352-3810 603 Filter Paper Catalog. Catalog 5 lists ash-free, ash-low filter papers, general and folded filter papers, extraction thimbles, PKU test papers, pH indicator papers, and weighing papers. Schleicher & Schuell, Inc. 603-352-3810 604 Nqr Bibliography. A supplementary bibliography to one done in 1967 covers work in the field of nuclear quadrupole resonance from 1967 to 1970. Included is a frequency index for the molecules covered. Wilks Scientific Corp. 203838-4537 605 Uv Spectrophotometers. A 22-page illustrated bulletin, 7178-A, fully describes the ACTA II, III, and V ultraviolet spectrophotometers. Beckman Instruments, Inc. 714-871-4848 606 Rare/Fine Chemicals. Catalog No. 8, 238 pages, composed by computer, lists over 25,000 compounds including several thousand never listed previously. Compounds are listed alphabetically; prices are given. Also included are rare alkaloid kits, rare hydrocarbon kits, and snake venoms. K&K Laboratories, Inc. 516-433-6262 607 Hollow Cathode Lamps. The Atomax Series is available in a full range of single-element and multielement lamps which fit directly on most commercial atomic absorption spectrophotometers. An 8-page brochure gives specifications, and ordering information. Perkin-EImer Corp. 203-762-6973 608
TYGON® Flexible Plastic
TUBING * Flexible * Glass-clear • Chemically inert * 7 3 Standard sizes
Used Instruments. A 16-page catalog lists and gives a price range for used instruments, such as oscilloscopes, signal sources, recorders, voltmeters, microwave instruments, amplifiers, power supplies, microwave components, data acquisition, and acoustical and vibration. Leasametric. 415-347-3067 612 Chromatography Equipment Catalog. A 64-page 1971 catalog pictures and fully describes the company's line of liquid and gas chromatographs, accessories, recorders, and data handling systems. Varian Aerograph. 415-939-2400 613 Ir Fourier Transform Spectrophotometer Systems. A 16-page booklet gives details of the company's FTS-14 and gives specifications for other Digilab IR Fourier transform spectrophotometers (Models FTS-12, FTS-16, and FTS-20). Sadtler Research Laboratories, Inc. 215-382-7800 614 Photomultiplier Tubes. Photomultiplier tubes and accessory items are covered in a 20-page catalog. Photographs and specifications for thermoelectric, liquid-nitrogen and dry-ice cooled chambers to provide good tube performance are given. Products for Research, Inc. 617-774-3250 615 At laboratory supply bouses everywhere
Liquid Chromatographs. Bulletin CHR 1270, 8 pages, is devoted to the Series 500 liquid chromatographs. Information on detectors and accessories is included. Chromatronix, Inc. 415841-7221 616 Photomultiplier Tubes. Application Note 71021, 8 pages, on photomultiplier tube selection and housing design for wideband photon counting includes photographs, diagrams, and a bibliography. SSR Instruments Co. 213-4518701 617
There is only one Tygon Tubing, a product of Norton Plastics & Synthetic Division. For your protection, every foot is branded with the Tygon n a m e and formulation number.
NORTON
32-132
PLASTICS& SYNTHETICS DIV.
FORMERLY U. S. STONEWARE INC.. AKRON. OH/0 44303
CIRCLE 1 2 7 O N READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 43, NO. 7, JUNE 1971
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