By Prof. Dr. Tharwat F. Tadros(auth.), Tharwat F. Tadros(eds.)
The 1st sleek method of relate basic study to the utilized technology of colloids, this sequence bridges educational examine and commercial functions, therefore supplying the knowledge important to either. Written via some of the best scientists of their respective disciplines, the 5 volumes are edited through an the world over well-known specialist in this topic.
This quantity describes the function of colloids in agrochemicals, highlighting the significance of primary study in sensible applications.
Of curiosity to electrochemists, actual and floor chemists, fabrics scientists, and physicists.Content:
Chapter 1 normal creation (pages 1–5):
Chapter 2 common category of Surface?Active brokers utilized in Agrochemical Formulations (pages 7–18):
Chapter three actual Chemistry of Surfactant suggestions (pages 19–40):
Chapter four Interfacial facets of Agrochemical Formulations (pages 41–75):
Chapter five interplay Forces among debris or Droplets in Agrochemical Dispersions (Suspension Concentrates or Emulsions, EWs) and their position in Colloid balance (pages 77–91):
Chapter 6 Emulsion Concentrates (EWs) (pages 93–124):
Chapter 7 Suspension Concentrates (SCs) (pages 125–164):
Chapter eight Oil?Based Suspension Concentrates (pages 165–182):
Chapter nine Suspoemulsions (pages 183–196):
Chapter 10 Microemulsions (pages 197–218):
Chapter eleven a number of Emulsions (pages 219–233):
Chapter 12 Controlled?Release Formulations (pages 235–245):
Chapter thirteen uncomplicated rules of choice of Adjuvants in Agrochemical Formulations (pages 247–272):
Read Online or Download Colloids in Agrochemicals: Colloids and Interface Science, Volume 5 PDF
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Additional info for Colloids in Agrochemicals: Colloids and Interface Science, Volume 5
545 (1964). 16 T. Okubo, H. Kitano, T. Ishiwatari and N. Isem, Proc. R. Soc. London, Ser. A, 36, 81 (1979). N. Phillips, Trans. , 51, 561 (1955). 18 M. Kahlweit and M. Teubner, Adv. , 13, 1 (1980). L. Rosen, Surfactants and Interfacial Phenomena, Wiley-Interscience, New York (1978). 20 T. Tanford, The Hydrophobic Eﬀect, 2nd edn, John Wiley & Sons, New York (1980). 21 G. E. Alexander, Trans. , 46, 587 (1950). H. Arnow and L. Witten, J. Phys. , 64, 1643 (1960). D. Robb, Chem. Ind. (London), 530 (1972).
5 Enthalpy and Entropy of Micellization The enthalpy of micellization can be calculated from the variation of cmc with temperature. e. DG ¼ DH À TDS (26) Therefore, DH may be calculated from the surface tensionlog C plots at various temperatures. Unfortunately, the errors in locating the cmc (which in many cases is not a sharp point) leads to a large error in the value of DH . A more accurate and direct method of obtaining DH is microcalorimetry. 2. 2 Thermodynamic quantities for micellization of octylhexaoxyethylene glycol monoether.
Tharwat F. Tadros Copyright 6 2009 WILEY-VCH Verlag GmbH & Co. 1 Gibbs convention for an interface. boundary between two bulk phases, namely liquid and air (or the liquid vapor). Similarly, an interface between two immiscible liquids (oil and water) may be deﬁned provided that a dividing line is introduced since the interfacial region is not a layer that is one molecule thick, but usually has a thickness d with properties that are diﬀerent from the two bulk phases a and b . 1). In this model, the two bulk phases a and b are assumed to have uniform thermodynamic properties up to Zs.