Sorbate definition

K generally varies only by factors of three to five for a given solute (12). K typically correlates well with physico-chemical properties of the sorbate, such as aqueous solubility (S) or the octanol-water partition coefficient (K ), again suggesting that hydrophobic interaction predominates. The correlation of Koc with K has led to the definition of linear free-energy relationships (LFER) of the form... 

The interstitial volume around contact zones of spheres which are arranged in a definite packing type are calculated as follows We assume that a sorbate condenses in the contact zones of spheres of radius R, as exhibited by the shaded zone in Fig. la. The vapor pressure, P, or relative pressure, z, of the condensed liquid of volume V is given by the Thompson equation. 

Most of the acid-base concepts, developed for solution chemistry, are applied to solid acids and bases. The present lectures, however, concern the acid-base catalytic properties of zeolites and their modification. Consequently, for clarity, attention is focussed on catalytic sites which results in somewhat restrictive definitions of acid-base interactions. In a comprehensive picture of zeolite catalysis several features other than the nature of particular sites can strongly influence overall activity and selectivity. These other features (2f) which include the wider implications of sorbate-sorbent interactions, both locally and globally, and the role of diffusion, are not considered here. 

Such a definition provides a convenient mathematical representation, but it does not imply that the diffusivity is independent of concentration, only that it is not dependent on the concentration gradient. Since the true driving force for any transport process is the gradient of chemical potential, rather than the gradient of concentration, ideal Fickian behavior in which the diffusivity is independent of sorbate concentration is realized only when the system is thermodynamically ideal. 

Chromatographic and continuous countercurrent processes are competitive in that both these types of process are applicable to difficult separations where the separation factor is small. In order to make clear the similarities and differences between these proce,sses we introduce, following Valentin, the idea of the number of equilibrations between fluid and solid phases. In a chromatographic column it follows from the definition of a theoretical plate that each sorbate molecule is equilibrated between fluid and solid on average just once for each plate. The number of equilibrations is therefore simply the number of theoretical plates to which the chromatographic column is equivalent. In a countercurrent system the situation is more complex because of the internal reflux. For simplicity we consider a system with linear equilibrium. At... 

The macroscopic dipole moment (Pe) of the material in the capacitor is by definition an extensive quantity. Hence it easily can be generalized to multi-component or multiphase systems, assuming all components or phases being homogenously distributed within the capacitor. Considering a sorption system consisting of three quasi-homogenous phases sorbent (s), sorbate (a), and sorptive gas (f), we get from (6.38) and (6.41) respectively... 

Potassium (E,E)-sorbate Sorbic add potassium salt Classification Organic salt Definition Commercial prod, is the trans,trans-isomer Empirical CgH702 K Formula CH3CH=CHCH=CHCOOK... 

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