Soaps and Proteins; Their Colloid Chemistry in Theory and Practice

Soaps and Proteins; Their Colloid Chemistry in Theory and Practice

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 edition. Excerpt: ...of a gas with a liquid or a liquid with a liquid. We are not unconscious of the fact that there may be arranged under this conception many of the so-called theories of foaming and emulsification adduced to explain the behavior of these systems. As previously emphasized 1 there is nothing mutually exclusive in the ideas of solvation and the relative breaking lengths of any two materials, and the changes in surface tension and viscosity, the quantitative relationship between the amounts of the two phases, the formation of a continuous third phase between the two general substances making up a foam or an emulsion. the 1 MAR1 IN H. FISCHER and MARIAN O. Hooxnn: Fats and Fatty Degeneration, 29, New York (1917). surface activity of various chemical substances in permitting the wetting of contiguous phases, etc., as drawn upon by various authors (S. PLA'rEAU,1 G. QUINCKE,2 F. G. DONNAN,3 H. W. H1LLYER,4 WALTHER OS I WALD,5 T. B. ROBERTSON,6 S. U. PICKERING,7 UBBELOHDE and GOLDSCHMIDT,8 WILDER D. BANoRorr,9 G. H. A. CLowEs,1 S. A. Srronrnn 11 and JAMES W. MCBAIN 12) to explain the nature of foaming and emulsification. When water is changed to a liquid colloid hydrate, the properties of the second are still the properties of a liquid, though quantitatively different from the first, and these properties include surface tension, viscosity, distribution of dissolved and suspended particles, etc. But were we to express a critical opinion of the theories of foaming and emulsification as developed by these various authors, we would say that each has failed in the opinion of some other author because he has used his theory as an exclusive one and as one necessarily universally applicable. As we have repeatedly...show more

Product details

  • Paperback | 60 pages
  • 189 x 246 x 3mm | 127g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236616456
  • 9781236616456