Download Chemistry of the solid-water interface: processes at the by Werner Stumm PDF

By Werner Stumm

Presents an creation to the chemistry of the solid-water interface, progressing from the straightforward to extra advanced and utilized. Discusses the real interfaces in normal platforms, in particular geochemistry, in common waters, soils and sediments. The techniques taking place at mineral-water, particle-water and organism-water interfaces play severe roles in regulating the composition and ecology of oceans and clean waters, the advance of soils and plant nutrient's provide, protecting the integrity of water repositories and in such functions as water know-how and corrosion technological know-how.

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I) ii) iii) presence of HC03 in solution increase in temperature of the solution addition of 10-3 M Ca 2+ 3) Discuss the binding of metal ions and of ligands in terms of the Lewis-acidbase theory. , Cu2+) on the titration curve. 5) Describe semiquantitatively the effect of increased pH (at constant alkalinity) or of increased alkalinity (at constant pH) on the binding of Cu(II) to soil particles. ) 6) Does the addition of small quantities of the following solutes to a suspension of a-Fe203 affect pHpznpc, i) increase, ii) decrease, or iii) cause no effect?

A) Calculate an adsorption isotherm for Cu 2+ from a dilute Cu(N03ksolution at pH = 7 and =FeOHTOT = 10-6 M. : i) ii) iii) presence of HC03 in solution increase in temperature of the solution addition of 10-3 M Ca 2+ 3) Discuss the binding of metal ions and of ligands in terms of the Lewis-acidbase theory. , Cu2+) on the titration curve. 5) Describe semiquantitatively the effect of increased pH (at constant alkalinity) or of increased alkalinity (at constant pH) on the binding of Cu(II) to soil particles.

The adsorption is accompanied by an increase in surface protonation (from Sigg and Stumm, 1981) a) Affinities of Cations and Anions 35 or (iib) where a = amount of oxide used kg e-1, and s = specific surface area m2 kg- 1 and F = Faraday = 96500 [coul mol- 1]. Upon addition of Pb(N0 3 h the charge condition (or the proton balance) is changed to Concentrations with an asterik are those in the presence of Pb2 +. Because of the mass balance for the Pb(N03 h 2 [Pbr] = [NOj] 2 [Pb 2 +] + 2 [=AIOPb+] = (iv) [NOj] Eq.

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