relationship with concentrations of modifiers. These observations were coined nonlinear phenomena to separate it from the nonlinear effect (NLE) observed in homogeneous catalysis. In the latter case of no proportionality between the enantiomeric excess ( ee
malachite green (MG + ) [ 14 ]. In continuation of our earlier works [ 15 , 16 ], we studied the BG + alkaline fading in the presence of different concentrations of TX-100, DTAB and SDS at 283-303 K. BG + fading is a one-step reaction and kinetics of
Authors:N. N. Das, P. K. Satapathy, S. C. Dash, and P. Mohanty
concentrations as and when required. All other chemicals used were of analytical grade. Acidic alumina was purchased from Merck (0.063–0.200 mm). It was activated at 500 °C for 8 h before use.
The preparation of trans -[Cr(Salm)(OH 2 ) 2 ]NO 3 ·[Cr III
Authors:M. Marečić, F. Jović, V. Kosar, and V. Tomašić
-lamp, the gas mixture was fed into the reactor in order to achieve the equilibration of the catalyst with the reagents. The toluene concentration at the end of this period was taken as the initial value ( C A,0 ). Illumination of the catalyst was provided by
Authors:L. P. Singh, M. Niraj Luwang, K. Lunkim, and S. K. Srivastava
initial MV concentration of 1.5 × 10 −5 M. Pseudo-first order kinetics under the experimental condition was observed throughout.
The observed pseudo-first order rate constants, k Ψ were obtained from slopes of ln ( A t − A ∞ ) versus time
Authors:L. Helyes, A. Lugasi, A. Neményi, and Z. Pék
Long, S.P. (1991): Modification of the response of photosynthetic productivity to rising temperature by atmospheric CO 2 concentrations: Has its importance been underestimated? Pl. Cell Environ. , 14 , 729
Authors:Munevver Zeynep Selcuk, Mehtap Safak Boroglu, and Ismail Boz
concentration did not cause any structural change in TiO 2 . The mean crystallite sizes of Fe, Cr, Ni, Pt loaded N–TiO 2 were in the range of 19 nm. The relative error of crystallite size calculations by the Scherrer equation was around 4 nm (depending on what