The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.14187-32-7, Name is Dibenzo-18-crown-6, molecular formula is C20H24O6. In a Article，once mentioned of 14187-32-7, COA of Formula: C20H24O6
The relationship between the rate of carrier-facilitated transport of metal cations through chloroform membranes containing macrocyclic ligand carriers and the stability constant of the cation-carrier complex in methanol solution was investigated.Several macrocyclic ligand carriers were used in transporting Na+, K+, Rb+, Cs+, Ca2+, Sr2+, and Ba2+.For maximum cation transport, an optimum range in value of the cation-carrier complex stability constant was shown to exist.The rate cation transport decreased rapidly at stability constant values higher or lower than this range.The maximum observed transport occurred for carriers having log KMeOH values from 5.5 to 6.0 for K+ and Rb+ and 6.5 to 7.0 for Ba2+ and Sr2+.For all cations, little or no transport occurred with carriers having log KMeOH less than 3.5 – 4.0.An equation was derived which correctly predicts the observed variation of cation transport rate with log KMeOH over a wide range of log KMeOH values.This equation makes possible the estimation of either log K or cation-transport rate in certain cases if the other of the two values is known.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.COA of Formula: C20H24O6, you can also check out more blogs about14187-32-7