A C BRIEFS Role of Solvating Agents in Promoting Ion Pair Extraction T A K E R U HIGUCHI, ARTHUR MICHAEUS, and J. HOWARD RYTTING, Department o f Analytical Pharmaceutical Chem istry and Pharmaceutics, The University of Kansas, Law rence, Kan. 66044 Anal. Chem.,
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Determine particle surface area & pore volume—and save almost $1,000!
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Submerged Drum Activated Platinum Voltammetric Microelectrode JOHN T. STOCK, Department of Chemistry, Connecticut, Storrs, Conn. 06268 Anal.Chem.,
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The COULTER ISORPTA® analyzer combines the accuracy and repro ducibility of the B.E.T. static meth od with the speed of the continu ous flow method. Surface area determinations can be made within the 0.1 to more than 2,000 m 2 /gm range. Pore volume determinations from 10 to 300 ang stroms.
Fumed Silica Salt-Bridges RAY G. CLEM, FREDI JAKOB, L a w r e n c e Radiation Laboratory, Berkeley, Calif. 94720
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The COULTER ISORPTA® varies the pressure of a flowing mixture of gases over the sample.
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Design and Evaluation of a Precise, Continuous Photoelectric Spectropolarimeter
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ELECTRONICS, INC., PAUL E. REINBOLD, Department of Chemistry, Bethany Nazarene College, Bethany, Okla. 73008 and KARL H. PEARSON, Department of Chemistry, Cleveland State University, Cleveland, Ohio 44115 Anal. Chem.,
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SIDNEY G. GIBBINS, Department of Chemistry, of Victoria, Victoria, B.C., Canada Anal. Chem.,
Please have a representative call me at the earliest convenience
University
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© 1970, Coulter Electronics, Inc. Circle No. 41 on Readers' Service Card
ANALYTICAL CHEMISTRY, VOL. 43, NO. 2, FEBRUARY 1971 .
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