132 J SOLUTIONS FOR TITRATION PROBLEMS ©ooo©
At Corco, we make 132 standard solu tions — and uncounted special or custom solutions. Volumetric. Per centage. For Aqueous and non aqueous titrations. Special solutions to meet ACS and ASTM requirements. Indicators. Buffers. Clinical reagents. All within an accuracy to 0.05%. As many companies come to Corco for normal solutions as those for special normalities. We make them just as easily and just as well. Because Corco makes only reagent-grade solutions. (Reagent acids, bases, and specialty chemi cals, too.) Corco has the solutions — spe cial or standard — in pints, gallons, five-gallons and drums. Write or call for your copy of our booklet ©rv-v^ with that title. ^ ® ® Θ Or circle the number.
CORCO CORCO CHEMICAL CORPORATION Manufacturers of Reagent & Electronic Chemicals Tyburn Road & Cedar Lane · Fairless Hills, Pa. 19030 (215) 295-5006 CIRCLE 35 ON READER SERVICE CARD
(16) C. K. J^rgensen, "Absorption Spectra and Chemical Bonding in Complexes", pp 91-3, Pergamon, Elmsford, N.Y., 1962. (17) D. B. Siano and D. E. Metzler, J. Chem. Soc. Faraday Trans., 268, 2042 (1972). (18) R.D.B. Fraser and E. Suzuki, Anal. Chem., 41,37(1969). (19) D. B. Siano and D. E. Metzler, J. Chem. Phys., 51,1856 (1969). (20) D. B. Siano, J. Chem. Educ, 49,755 (1972). (21) I.-Y. Yang, R. M. Khomutov, and D. E. Metzler, Biochemistry, 13,3877 (1974). (22) I.-Y. Yang, C. M. Harris, D. E. Met zler, W. Korytnyk, B. Lachmann, and P.P.G. Potti, J. Biol. Chem., 250, 2947 (1975). (23) D. E. Metzler, C. M. Harris, I.-Y. Yang, D. Siano, and J. A. Thomson, Biochem. Biophys. Res. Commun., 46,1588 (1972). (24) R. Miura and D. E. Metzler, Biochem istry, 15, 283 (1976). (25) A. L. Koch, J. Theor. Biol., 23, 251 (1969).
Metzler
(26) W. H. Lawton, E. A. Sylvestre, and M. S. Maggio, Technometrics, 14, 3 (1972). (27) S. Wold, ibid., 16,1 (1974). (28) R. L. Reeves, J. Am. Chem. Soc, 88, 2240 (1966). (29) M. L. Fonda and R. J. Johnson, J. Biol. Chem., 245, 2709 (1970). (30) L. Lang, "Absorption Spectra in the Ultraviolet and Visible Region", Vol I, p 367, Academic Press, New York, N.Y., 1961. (31) W. West and S. Pearce, J. Phys. Chem., 69,1894 (1965). (32) J. W. Donovan, Methods Enzymol., 27D, 497 (1973). (33) J. W. Donovan, in "Physical Princi ples and Techniques of Protein Chemis try", S. J. Leock, Ed., Part A, p 101, Aca demic Press, New York, N.Y., 1969. (34) J. Horwitz, E. H. Strickland, and C. Billups, J. Am. Chem. Soc, 92,2119 (1970). (35) J. F. Brandts and L. J. Kaplan, Fed. Proc, 30,1108(1971). Work supported by Grant AM-1549 from the U.S. Public Health Service.
Reeves
Harris
Lawton
Maggio
Carol M. Harris is a research techni cian at Iowa State University. Her in terests are in spectroscopy, computer programming, and enzyme chemistry.
William H. Lawton is supervisor of the Applied Mathematics Section, a consulting unit of the Eastman Kodak Co. His publications have been mainly concerned with modeling of physical processes, with special emphasis on estimation involving nonlinear mod els, curve resolution, and spectral analysis. He has also published papers in both photographic theory and spec trophotometric analysis. Dr. Lawton is editor of Technometrics, a statisti cal journal of applications in chemis try, physics, and engineering.
Richard L. Reeves is a research asso ciate in the Kodak Research Labora tories. His present research interests include the physical and colloid chem istry of aqueous dye solutions, mixed micelles involving dyes, dye-dye a n d dye-polymer interactions, and t h e spectrophotometric analysis of dye so lutions.
Mary S. Maggio is a senior analyst in the Applied Mathematics Section of the Eastman Kodak Co. She has coauthored numerous papers on sta tistics and its applications to the physical and chemical sciences. Her special intejest has involved nonlinear estimation and principal components analysis.
David E. Metzler is professor of bio chemistry at Iowa State University. His research interests are in t h e areas of biological catalysis, mode of action of vitamin-containing coenzymes, and spectroscopy of biochemical sub stances.
874 A · ANALYTICAL CHEMISTRY, VOL. 49, NO. 1 1 , SEPTEMBER 1977
