Xin Chen , David A. Walthall and John I. Brauman ... Susan T. Graul, Catherine J. Carpenter, John E. Bushnell, Petra A. M. van Koppen, and Michael T. ...
Jan 10, 2004 - Michael A. Watkins,â Jason M. Price,â ,â¡ Brian E. Winger,§ and Hilkka I. Kentta1maa*,â . Department of Chemistry, Purdue University, West ...
Table IV provides both gravimetric values and the con- centrations ofretinyl acetate, dZ-a-tocopheryl acetate, and ergocalciferol in SRM 1563-2 as determined by ...
Mark A. Smith, Robert M. Barkley, and G. Barney Ellison. J. Am. Chem. Soc. , 1980, 102 ... Charles H. DePuy and Veronica M. Bierbaum. Accounts of Chemical ...
Oct 15, 1980 - Mark A. Smith, Robert M. Barkley, G. Barney Ellison. J. Am. Chem. Soc. , 1980 ... Charles H. DePuy and Veronica M. Bierbaum. Accounts of ...
Aug 28, 2008 - M. A.; Tuckett, R. P.; Mayhew, C. A. J. Phys. Chem. A 2006, 110, 5760), the fragment ion branching ratios have been compared with those from ...
Since the Valentiner and. Albery-Robinson fits require three and four parameters, re- spectively, the Gauss criterion for goodness of fit (a) fi = [W/(n - P)]'/~.
Sep 23, 2008 - Air Force Research Laboratory, Space Vehicles Directorate, 29 Randolph Road, Hanscom Air Force Base,. Massachusetts 01731-3010.
Sep 23, 2008 - Air Force Research Laboratory, Space Vehicles Directorate, 29 Randolph ... weapon agents in the gas phase remains an important problem.
volves the tlc detection of caffeine in a variety of familiar pharmaceutical products. The experiment takes on added significance to our students since it is ...
mium. The work requires only a few minutes and may be well worth the time. As in most analytical procedures, directionsmust be minutely followed, and a.
4028 Table I. Rate Constants (in units of 10-9 c m a molecule-' sec-l) a n d Activation Energies for Exothermic Nucleophilic Displacement with CH3Cl in the G a s Phase at 296°K
-AHozss
Nucleophile
HNHzOH-
FCzHCN-
kexptll
kcal mol-'
kexptla
8 6 i 1 66.1 f 0 . 2 49& 1 29 & 8 62 It 2 30 f 4 ( 1 5 i 4)e
