HALLIKAINEN Instruments

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MANUFACTURERS' LITERATURE Recorders. This six-page catalog, REC-1002, presents the company's miniature strip chart recorder line. Amp robe Instrument, 630 Merrick Rd., Lvnbrook, Ν. Υ. 11563 601 Water and Wastewater Analysis Pro- cedures. Catalog No. 10, 108 pages, contains many new procedures and list- ings of apparatus, glassware, chemicals, solutions, and formulations for use in waste water analysis. Hach Chemical Co., P. 0. Box 907, Ames, Iowa 608 Crystal Reconditioning. This four- page illustrated folder presents detailed techniques for do-it-yourself polishing of NaCl, KBr, and CsBr crystals. Barnes Engineering Co., 32 Commerce Rd., Stamford, Conn. 06902 609 Ion Exchangers. Sephadex ion ex- changers are discussed in this 24-page brochure. A bibliography on applica- tions is also included. Pharmacia Fine Chemicals, Inc., 800 Centennial Ave., Piscataway, New Market, N. J. 08854 610 Ribonucleic Acids. This eight-page booklet, RNA-Ribonucleic Acids from Mammalian Organs, offers a synopsis, specifications, and references. Mann Research Laboratories, 136 Liberty St., New York, N. Y. 10006 611 Gas Chromatographic Supplies. This 1968 catalog, 56 pages, lists chromato- graphic supplies and accessories and features a section on high purity lipids, hydrocarbons, steroids, hormones, and pesticides. Analabs, Inc., P. O. Drawer 5397, Hamdcn, Conn. 06518 602 Digital Integrating Recorder. Model DIR-1 featuring immediate precise in- tegrals and retention time, analog-to- digital conversion of imput signal, digi- tal recording for computer analysis, and direct interface with computer is presented in this 14-page bulletin. Da- tex, 1600 S. Mountain Ave., Duarte, Calif. 91010 603 Gas Partitioner. Bulletin 11-126, 12 pages, presents Model 25V employing a double-column/double-detector chro- matographic system and an integral sampling valve. Fisher Scientific Co., 717 Forbes Ave., Pittsburgh, Pa. 15219 604 Η-film (Kapton) Flexible Circuits. This is a reprint presenting the major problems encountered in the fabrica- tion of Kapton flexible harnesses and the approaches taken for their solution. Instron Corp., 2500 Washington St., Canton, M, s. 02021 605 Multiplexer. Model 3929 digital in- strument multiplexer provides time- sharing capability for five or more in- put sources. Bulletin 2216 also pro- vides information on the company's high speed digital printers which may be used in conjunction with Model 3929. Beckman Instruments, Inc., 2200 Wright Ave., Richmond, Calif. 94S04 606 Timing Equipment. A complete range of time pieces, including 15 new instru- ments, is offered in this 1968-1969 cata- log. Heucr Time Corp., 135 E. 44 St., New York, Ν. Υ. 10017 607 Adjustable temperature operation from 35° to 135°C? Interchangeable sample cells? Simple solvent flushing? • A built-in chart recorder? That chorus of four "yeas" denotes the certain presence of a Hallikainen Model 1361 Automatic Osmometer in someone's lab. Only Model 1361 offers them all. Built-in cartridge heaters and insulation and interchangeable sample cells allow you to switch smoothly from 35° to 135°C operation within the same hour. A syringe-full of fresh solvent quickly restores membrane condition between readings in either temperature mode. The entire unit, with integral chart recorder, occupies only 12" χ 15" χ 13" on your bench. Digital readouts display osmotic pressure to 0.01 cm over a 10-cm range within 10 minutes of sample injection. Repeatability averages better than ±0.02 cm of solvent head. You can read four concentrations and calculate a compound's number- average molecular weight from 5,000 to 500,000 in less than an hour. About the same time it would take you to carefully study the product brochure. Write for your copy today! HALLIKAINEN Instruments 750 National Court, Richmond, California 94804 Outside of North America, South America, and Japan, please address your inquiries to Hallikainen Instruments Ltd., Blackwall Lane, Greenwich, London SEIO, England. 4.76 7.53 2.92 5.03 8.14 Circle No. 38 on Readers' Service Card V O L 4 0 , N O . 2 , FEBRUARY 1 9 6 8 · 181 A ??Does Your Automatic Osmometer Offer...

Transcript of HALLIKAINEN Instruments

Page 1: HALLIKAINEN Instruments

M A N U F A C T U R E R S ' L I T E R A T U R E

Recorders. This six-page catalog, REC-1002, presents the company's miniature strip chart recorder line. Amp robe Instrument, 630 Merrick Rd., Lvnbrook, Ν. Υ. 11563 601

Water and Wastewater Analysis Pro­cedures. Catalog No. 10, 108 pages, contains many new procedures and list­ings of apparatus, glassware, chemicals, solutions, and formulations for use in waste water analysis. Hach Chemical Co., P. 0 . Box 907, Ames, Iowa 608 Crystal Reconditioning. This four-page illustrated folder presents detailed techniques for do-it-yourself polishing of NaCl, KBr, and CsBr crystals. Barnes Engineering Co., 32 Commerce Rd., Stamford, Conn. 06902 609

Ion Exchangers. Sephadex ion ex­changers are discussed in this 24-page brochure. A bibliography on applica­tions is also included. Pharmacia Fine Chemicals, Inc., 800 Centennial Ave., Piscataway, New Market, N. J. 08854

610 Ribonucleic Acids. This eight-page booklet, RNA-Ribonucleic Acids from Mammalian Organs, offers a synopsis, specifications, and references. Mann Research Laboratories, 136 Liberty St., New York, N. Y. 10006 611

Gas Chromatographic Supplies. This 1968 catalog, 56 pages, lists chromato­graphic supplies and accessories and features a section on high purity lipids, hydrocarbons, steroids, hormones, and pesticides. Analabs, Inc., P. O. Drawer 5397, Hamdcn, Conn. 06518 602

Digital Integrating Recorder. Model DIR-1 featuring immediate precise in­tegrals and retention time, analog-to-digital conversion of imput signal, digi­tal recording for computer analysis, and direct interface with computer is presented in this 14-page bulletin. Da-tex, 1600 S. Mountain Ave., Duarte, Calif. 91010 603

Gas Partitioner. Bulletin 11-126, 12 pages, presents Model 25V employing a double-column/double-detector chro­matographic system and an integral sampling valve. Fisher Scientific Co., 717 Forbes Ave., Pittsburgh, Pa. 15219

604

Η-film (Kapton) Flexible Circuits. This is a reprint presenting the major problems encountered in the fabrica­tion of Kapton flexible harnesses and the approaches taken for their solution. Instron Corp., 2500 Washington St., Canton, M, s. 02021 605

Multiplexer. Model 3929 digital in­strument multiplexer provides time­sharing capability for five or more in­put sources. Bulletin 2216 also pro­vides information on the company's high speed digital printers which may be used in conjunction with Model 3929. Beckman Instruments, Inc., 2200 Wright Ave., Richmond, Calif. 94S04 606

Timing Equipment. A complete range of time pieces, including 15 new instru­ments, is offered in this 1968-1969 cata­log. Heucr Time Corp., 135 E. 44 St., New York, Ν. Υ. 10017 607

• Adjustable temperature operation from 35° to 135°C? • Interchangeable sample cells? • Simple solvent flushing? • A built-in chart recorder? That chorus of four "yeas" denotes the certain presence of a Hallikainen Model 1361 Automatic Osmometer in someone's lab. Only Model 1361 offers them all. Built-in cartridge heaters and insulation and interchangeable sample cells allow you to switch smoothly from 35° to 135°C operation within the same hour. A syringe-full of fresh solvent quickly restores membrane condition between readings in either temperature mode. The entire unit, with integral chart recorder, occupies only 12" χ 15" χ 13" on your bench.

Digital readouts display osmotic pressure to 0.01 cm over a 10-cm range within 10 minutes of sample injection. Repeatability averages better than ±0.02 cm of solvent head. You can read four concentrations and calculate a compound's number-average molecular weight from 5,000 to 500,000 in less than an hour. About the same time it would take you to carefully study the product brochure. Write for your copy today!

HALLIKAINEN Instruments

750 National Court, Richmond, California 94804 Outside of North America, South America, and Japan, please address your inquiries to Hallikainen Instruments Ltd., Blackwall Lane, Greenwich, London SEIO, England.

4.76 7.53 2.92 5.03 8.14

Circle No. 38 on Readers' Service Card

V O L 4 0 , N O . 2, FEBRUARY 1968 · 1 8 1 A

??Does Your Automatic Osmometer Offer...