Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Guideline for Experiments

From Eq. (2.8) and the classification of its parameters, we can deduce the following guideline for experiments to determine the binding constant. When [C] is obtained at the equilibrium in which a and b are known, K can be derived directly according to the Eq. (2.8) from the experimental conditions, [H]o and [G]o. Consequently, in order to determine the binding constants, the following four steps have to be carried out  [Pg.19]


C.S. Weil, Guidelines for experiments to predict the degree of safety of a material for man. Toxicol. Appl. Pharmacol. 21 194, 1972 a. [Pg.55]

On the basis of available practical experience, the consumption rate of magnesium anodes in enamelled boilers is lower than 3 mm a". For a rod anode with a diameter of 33 mm, this corresponds to a life of over 5 years. As a guideline for the required anode mass, 200 to 250 g per m of internal surface is recommended [27]. [Pg.195]

Note that filter aid selection must be based on planned laboratory tests. Guidelines for selection may only be applied in the broadest sense, since there is almost an infinite number of combinations of filter media, filter aids, and suspensions that will produce varying degrees of separation. The hydrodynamics of any filtration process are highly complex filtration is essentially a multiphase system in which interaction takes place between solids from the suspension, filter aid, and filter medium, and a liquid phase. Experiments are mandatory in most operations not only in proper filter aid selection but in defining the method of application. Some general guidelines can be applied to such studies the filter aid must have the minimum hydraulic resistance and provide the desired rate of separation an insufficient amount of filter aid leads to a reduction in filtrate quality — excess amounts result in losses is filtration rate and it is necessary to account for the method of application and characteristics of filter aids. [Pg.114]

User experience of monitoring techniques in oil and gas production has been reviewed and indicates success and failure for the same methods by different operators. A survey of current monitoring practice in UK offshore fields has been published and other experience related to oil/gas production has be reported . A draft document has been prepared by CEA Task Group E2-5 providing guidelines for monitoring sea-water injection systems. [Pg.1148]

Although there is no substitute for individual action based on a firm philosophical and ethical foundation, designers have developed guidelines for professional conduct based on the experience of many of them who have had to wrestle with troublesome ethical questions and situations previously. These guidelines can be found in the published codes of ethics for designers and engineers of a number of industry and technical societies such as the Industrial Designer societies. [Pg.36]

These relationships are generally determined empirically, because of the complex kinetics of the precipitation polymerization process and the large variations from one reaction system to another. Nevertheless, a review of the literature presents useful guidelines for process design experiments. [Pg.267]

The model is consistent with experimental observations and should provide a useful guideline for future experiments. A similar model has been proposed that is based on the addition of a methyl group to one of the carbons followed by atomic hydrogen abstraction from the methyl... [Pg.197]

Froa the above discussion it should be obvious that the selection of an appropriate objective function is a difficult task. The choice of the objective function is a critical factor in automated aethods development, since it is used to define the response surface. It is highly likely that different objective functions will result in the production of different response surfaces and the location of different optimum ejqaerimental conditions for the separation. Yet, it is not possible to set hard guidelines for the selection of the objective function, which must be chosen by practical experience keeping the objectives of the separation in mind. [Pg.755]


See other pages where Guideline for Experiments is mentioned: [Pg.19]    [Pg.378]    [Pg.666]    [Pg.126]    [Pg.19]    [Pg.378]    [Pg.666]    [Pg.126]    [Pg.369]    [Pg.472]    [Pg.212]    [Pg.318]    [Pg.290]    [Pg.1681]    [Pg.2319]    [Pg.21]    [Pg.1323]    [Pg.21]    [Pg.292]    [Pg.991]    [Pg.173]    [Pg.521]    [Pg.44]    [Pg.141]    [Pg.51]    [Pg.337]    [Pg.21]    [Pg.754]    [Pg.761]    [Pg.765]    [Pg.767]    [Pg.24]    [Pg.45]    [Pg.531]    [Pg.19]    [Pg.197]    [Pg.293]    [Pg.333]    [Pg.825]    [Pg.968]    [Pg.337]    [Pg.377]   


SEARCH



Guidelines for

© 2024 chempedia.info