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Osmotic Mechanism and Negative Pressure [PDF]
Science, 1967 When solute molecules are confined, they exert a positive pressure on the barrier. If this is simply the free solvent surface, balance of forces requires the solvent to attain an equal negative hydrostatic pressure. This offers a sufficient explanation for the reduction of the vapor pressure over a solution.
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The Botanical Review, 1943
Holman and Robbins (74) have stated that "the word osmosis has been given such a variety of meanings by those who have used it that it has lost any precise meaning whatever" and that "as far as possible, we shall avoid its use". "There exists", Fuller (54) has written, "considerable dispute among scientists as to the exact definition of this term ...
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Holman and Robbins (74) have stated that "the word osmosis has been given such a variety of meanings by those who have used it that it has lost any precise meaning whatever" and that "as far as possible, we shall avoid its use". "There exists", Fuller (54) has written, "considerable dispute among scientists as to the exact definition of this term ...
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2016
This chapter focuses on the osmotic pressure of macromolecule and polyelectrolyte solution. From the expression for osmotic pressure of ideal solution, the chapter presents the expressions for osmotic pressure of macromolecule solution and derives the expression for Donnan equilibrium, which shows the osmotic pressure of polyelectrolyte solution. After
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This chapter focuses on the osmotic pressure of macromolecule and polyelectrolyte solution. From the expression for osmotic pressure of ideal solution, the chapter presents the expressions for osmotic pressure of macromolecule solution and derives the expression for Donnan equilibrium, which shows the osmotic pressure of polyelectrolyte solution. After
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2012
This chapter considers volume flow across a microporous membrane whose pores are very large compared to the solute, or very small, or larger than the solute but not greatly larger. The first case, very large pores, describes pressure-driven flow and equations are derived that express the filtration coefficient, or hydraulic conductivity, of the ...
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This chapter considers volume flow across a microporous membrane whose pores are very large compared to the solute, or very small, or larger than the solute but not greatly larger. The first case, very large pores, describes pressure-driven flow and equations are derived that express the filtration coefficient, or hydraulic conductivity, of the ...
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1973
Publisher Summary This chapter provides the theoretical and practical considerations on osmotic pressure. Two solutions separated by a semipermeable membrane at constant temperature and pressure are discussed in the chapter. At equilibrium, the chemical potential of all permeable components must be the same on both sides of the membrane.
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Publisher Summary This chapter provides the theoretical and practical considerations on osmotic pressure. Two solutions separated by a semipermeable membrane at constant temperature and pressure are discussed in the chapter. At equilibrium, the chemical potential of all permeable components must be the same on both sides of the membrane.
openaire +2 more sources