LOENCO Model 70
HI-FLEX
GAS CHROMATOGRAPH
MANUFACTURERS' LITERATURE Nuclear Bibliography. A selected bibliography covering papers written from 1950 to date on various phases of making moisture and density measure ments is now available. Testlab Corp., 564 W. Monroe St., Chicago 6, 111. 601
• DUAL COLUMN PROGRAMMING • BASELINE DRIFT COMPENSATION • LARGE ISOLATED DETECTOR OVEN FOR DETECTOR SYSTEM FLEXIBILITY • HIGHEST SENSITIVITY THERMAL CONDUCTIVITY DETECTION
Labeling Tape. Self-sealing tapes for a variety of laboratory equipment are described in a 31-page catalog. Price schedules are also given. Professional Tape Co., Inc., 355 Burlington Ave., Piverside, 111. 602
• HIGHEST QUALITY CONSTRUC TION • OPTIONAL AUXILIARY DETECTOR SYSTEMS-H 2 FLAME IONIZATION, RADIOACTIVE EXCITED IONIZATION, ION CHAMBER
Reagents for Amino Acid Chroma tography. Over 100 different substi tuted fluoroaromatics and benzotrifluorides are listed in a new catalog of spe cial reagents for amino acid chromatog raphy. Catalog No. 10. Pierce Chemi cal, Co., Box 117, Rockford, 111. 603
Columns - 2 ' SE-30 on A r i d Washed Chromo s o r b VI C a r r i e r - Helium © 100 ML/Hin. D e t e c t o r Temp. - 37()°C B r i d g e C u r r e n t - 100 MA Column P r o g r a m 100°C t o 3 5 0 n C β IG^C/Min. I n j e c t i o n P o r t Temp. - 360°C Sample - S y n t h e t i c n - R y d r o c a r b o n 8c P a r a f f i n Wax M i x t u r e Sample S i z e - 3 u l
Microwave Measurements. A revised 4th edition of "Notes on Microwave Measurements" is now available. The 23-page booklet has chapters on signal generation equipment, microwave spec trum analysis, microwave receivers, and microwave power meters. Four graphs and two tables are included. Polarad Electronics Corp., 43-20 34th St., Long Island City 1, Ν. Υ. 604
SYNTHETIC N-HYDROCARBON AND PARAFFIN WAX CHROMATOGRAM
• Columns - 2' SE-30 on Acid Washed Chromosorb W • C a r r i e r - Helium @ 100 Ml/Min» • D e t e c t o r Temp. - 365°C • Bridge Current - 100 MA • Column Program - 125°C t o 250°C g 160C/Mia. Φ Injection Port Temp, - 260°C • Sample - F a t t y Acid H«thyl E s t i ' r Mixture in n-Heptane • Sample Size - 1 u l • Attenuation - X8
Write for DATA SHEET
LOE-16
LOENCO INC. Analytical Control
Circle No. 84 on Readers' Service Card
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ANALYTICAL CHEMISTRY
Spectroscopy. Illustrated 22-page brochure, entitled "New Horizons in Spectroscopy, describes the use of the spectrograph and excitation unit as to speed, dispersion, range, and resolu tion. Specifications for the Bausch & Lomb dual grating spectrograph are in cluded. National Spectrographic Lab oratories, Inc., 6300 Euclid Ave., Cleve land 3, Ohio. 606 Drainage Systems. A 16-page cata log describes waste and drainage sys tem components made of polyethylene. Physical properties, recommended uses, characteristics, design, layout, and in stallation of these systems are given. The Nalge Co., Inc., 75 Panorama Creek Dr., Rochester 25, Ν. Υ. 607
Instrumentation
2 0 9 2 NORTH LINCOLN AVENUE, ALTADENA, CALIFORNIA
138 A
Laboratory Supplies. A 4-page bulle tin lists such items as mechanical stirrers, glassware, new constant-load balance, \-acuum pump, and a macroscope. Bulletin NB-25. Palo Labora tory Supplies, Inc., 75 Ninth Ave., New York 11, Ν. Υ. 605
Radiochromatogram Scanning Sys tems. Instrumentation for radiochro matography c analysis is described in a
