G. Frederick Smith Chemical Company, Inc

Telephone: Capital 4-5343. Circle No. 56A on Readers' Service Card. 62 A ·. ANALYTICAL CHEMISTRY ray spectrum recorder; fast-slow coincidence circuit...
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AMINO ACID ANALYZER

ray spectrum recorder; fast-slow coincidence circuit, Model DZ4; linear count rate meter, Model DM12. C. W . Brabender Instruments, Inc. 5 0 East Wesley St. South Hackensack, N . J .

Model Κ 5000

Manufactures physical testing instruments for bench and on-stream testing and control. Plasticimeters, viscometers, moisture;testers.

FOR SEPARATION, C. A . Brinkmann & C o . , Inc. Brinkmann Instruments, Inc. Brinkmann House 115 Cutter M i l l Rd. Great Neck, L. Ι., Ν . Υ.

IDENTIFICATION, AND QUANTITATIVE

Specialists in imported balances (Sartorius and VDF), optical equipment (Zeiss micro­ scopes, spectrophotometers, polarimeters, ref ractometers, interferometers), Heraeus micro combustion furnaces, high temper­ ature furnaces, vacuum drying ovens, Netzsch dilatometers, differential thermoanalyzers and plasticimeters, Haake ultra thermostats and automatic recording viscosimeters, AGFA PHYSIK testing equip­ ment for the plastics and rubber industries Brinkmann instruments manufactures photomicrographic equipment, exposure meters for micro cameras, micromanipulators for chemi­ cal and electronic applications, micro cine equipment.

ANALYSIS OF AMINO COMPOUNDS For complete details write Dept. Κ for Bulletin Κ 5000

Briscoe Manufacturing Co. 1055 Gibbard A v e . Columbus, Ohio

Ρ ΡI PHOENIX PRECISION INSTRUMENT

COMPANY

3 8 0 3 - 0 5 N O R T H F I F T H ST., P H I L A D E L P H I A 4 0 , P E N N S Y L V A N I A Circle No. 76 A on Readers' Service Card

ANALYTICAL REAGENTS SPECIALTY CHEMICALS PRIMARY STANDARDS R