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The specific surface area of a solid is one of the first things that must be determined if any detailed physical chemical interpretation of its behavior as an adsorbent is to be possible. Such a determination can be made through adsorption studies themselves, and this aspect is taken up in the next chapter there are a number of other methods, however, that are summarized in the following material. Space does not permit a full discussion, and, in particular, the methods that really amount to a particle or pore size determination, such as optical and electron microscopy, x-ray or neutron diffraction, and permeability studies are largely omitted. [Pg.572]

A full discussion of the changes in ionisation energy with group and period position has been given in Chapter 2. These data are given again in Table 6.2. [Pg.120]

Enzymes may be described a organic catalysts of biological origin. The majority are obtained from the interior of cells, but some are obtained from natural secretions such as the digestive juices and milk. For a full discussion of the nature of enzymes and the mechanism of their reactions the student should consult a work such as Chemistry and Methods of Enzymes, by J. B. Sumner and G. F. Somers (Academic Press, New York), or Enzymes, by M. Dixon and E. C. Webb[(Longman Group Ltd.). The following points should however be noted ... [Pg.509]

Benzenesulphonyl chloride reacts with primary and secondary, but not with tertiary, amines to yield substituted sulphonamides (for full discussion, see Section IV,100,3). The substituted sulphonamide formed from a primary amine dissolves in the alkaline medium, whilst that produced from a secondary amine is insoluble in alkali tertiary amines do not react. Upon acidifying the solution produced with a primary amine, the substituted sulphonamide is precipitated. The reactions form the basis of the Hinsberg procedure for the separation of amines see Section IV,100,(viii) for details. Feebly basic amines, such as o-nitroaniline, react slowly in the presence of allcali in such cases it is best to carry out the reaction in pyridine solution see Section IV,100,3. ... [Pg.1073]

Hydroxy-, Hydroxyall l-, and Aminoall lpyridines. A full discussion of the tautomerism occurring in heterocycles with oxygen and sulfur substituents has been pubUshed (38). Equation 2 shows the tautomerism expected in 2-pyridone (16) and 4-pyridone (38). [Pg.339]

A full discussion of thorium electrochemistry is available (3). Thorium is generally more acidic than the lanthanides but less acidic than other light actinides, such as U, Np, and Pu, as expected from the larger Th" " ionic radius (108 pm). [Pg.35]

In the meantime, Spath and Gohring had effected another synthesis of both inactive bases, and resolved each of the latter into the two possible optically active forms. This synthesis was effected by the stages represented by the following five equations, which need no descriptive explanation the original paper should be consulted for a full discussion of the reactions involved. [Pg.640]

Although the [CHTJr cycle is internally reversible, external irreversibility is involved in the heat supply from the external reservoir at temperature Tr and the heat rejection to a reservoir at temperature 7. So a consideration of the internal thermal efficiency alone does not provide a full discussion of the thermodynamic performance of the plant. If the reservoirs for heat supply and rejection are of infinite capacity, then it may be shown that the irreversibilities in the heat supply ( r) f d the heat rejection respectively, both positive, are... [Pg.29]

For a full discussion of the subject of tautomer sm, see the author 0 a,nic Chemistry/or Advanced Studt Kts E. rnold, London. [Pg.252]

Consult the works listed in the references for a full discussion of CBS extrapolation. [Pg.281]

In constitutively active receptor systems (where the baseline is elevated due to spontaneous formation of receptor active states, see Chapter 3 for full discussion), unless the antagonist has identical affinities for the inactive receptor state, the spontaneously formed active state, and the spontaneously G-protein coupled state (three different receptor conformations, see discussion in Chapter 1 on receptor conformation) it will alter the relative concentrations of these species—and in so doing alter the baseline response. If the antagonist has higher affinity for the... [Pg.108]

Emulsion polymerizations most often involve the use of water-soluble initiators (e.g. persulfate see 33.2.6.1) and polymer chains are initiated in the aqueous phase. A number of mechanisms for particle formation and entry have been described, however, a full discussion of these is beyond the scope of this book. Readers are referred to recent texts on emulsion polymerization by Gilbert4 and Lovell and El-Aasser43 for a more comprehensive treatment. [Pg.63]

A full discussion of the reactions of molecular oxygen involved in dioxygen adducts would require a separate review. Moreover, the reactions of co-ordinated molecular oxygen are discussed elsewhere l-8) dioxygen adducts of biological systems (7) and synthetic group VIII metal complexes 1,3) being of particular interest. [Pg.5]

To conclude this section, it could be helpful to make a connection between the pictorial discussion we have just given and the type of computation that one can carry out in quantum chemistry. The double cone topology shown in Figure 9.3 can be represented mathematically by Eqs 9.3a and 9.3b. Qx, Qx, are the branching space coordinates. This equation is valid close to the apex of the cone. (A full discussion of the analytical representation of conical intersections can be found in references 9 and 10.)... [Pg.394]

Antimicrobials also can be classified as possessing bactericidal or bacteriostatic activity in vitro. Bactericidal antibiotics generally kill at least 99.9% (3 log reduction) of a bacterial population, whereas bacteriostatic antibiotics possess antimicrobial activity but reduce bacterial load by less than 3 logs. Clinically, bactericidal antibiotics may be necessary to achieve success in infections such as endocarditis or meningitis. A full discussion of the application of antimicrobial pharmacodynamics is beyond the scope of this chapter, but excellent sources of information are available.15... [Pg.1027]

For small projects, and for simple choices between alternative processing schemes and equipment, the decisions can usually be made by comparing the capital and operating costs. More sophisticated evaluation techniques and economic criteria are needed when decisions have to be made between large, complex projects, particularly when the projects differ widely in scope, time scale and type of product. Some of the more commonly used techniques of economic evaluation and the criteria used to judge economic performance are outlined in this section. For a full discussion of the subject one of the many specialist texts that have been published should be consulted Brennan (1998), Chauvel et al. (2003) and Vale-Riestra (1983). The booklet published by the Institution of Chemical Engineers, Allen (1991), is particularly recommended to students. [Pg.270]

A full discussion of flooding in packed columns is given in Volume 2, Chapter 4. [Pg.601]

For a full discussion of the methods that can be used to determine the stage requirements in liquid-liquid extraction refer to Treybal (1980), Perry et al. (1997) and Robbins (1997). [Pg.623]

This section has been included to provide a basic understanding of the fundamental principles that underlie the design equations given in the sections that follow. The derivation of the equations is given in outline only. A full discussion of the topics covered can be found in any text on the Strength of Materials (Mechanics of Solids). [Pg.796]

A full discussion of aqueous effluent treatment is given by Eckenfelder et al. (1985) see also Eckenfelder (1999). [Pg.904]

Other investigators have evaluated the potential for these indices. In their studies, Williams and McGinnity have concluded that evaluation of single-material systems should precede binary or tertiary powder systems [29]. A full discussion of compaction mechanisms is given later in this chapter. [Pg.295]

Since the structures of polyester FBAs are so varied, the reactions employed in their synthesis are also diverse. The organic chemistry can be complex and the intermediates required are often difficult to prepare. A full discussion is beyond the scope of this chapter. The reader is referred, in the first place, to the reviews mentioned in the introduction for further information [3-13]. A summary of the more important methods of manufacture follows. [Pg.330]


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See also in sourсe #XX -- [ Pg.108 ]




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