Heavy Metals Release in Soils - Chapter 4 ppsx
Heavy Metals Release in Soils - Chapter 4 ppsx
... 6.5 30.9 3.6 0 .4 65.1
34. 5 58 20
46 0
42 .1 3.7 39.0 14. 9 0.3 45 .8
53.9 4. 0 2.1
920
41 .7 12.0 34. 8 11.0 0.5 53.7
45 .8 4. 3 2.0
2300
27.9 5.2 34. 5 29.2 3.2 33.1
63.7 4. 4 2.0
a
Σ
... C.A., W.P. Inskeep, and D.R. Neuman. 1997. Arsenic transport in contaminated mine
tailings following liming. J. Environ. Qual. 26 :43 3 -4 39.
Jurinak, J.J. and J. Santillian-Me...
Heavy Metals Release in Soils - Chapter 5 ppt
... 130 HEAVY METALS RELEASE IN SOILS
kinetics study, 20 mg Ca-smectite was shaken with 10 ml of 0.005 M Ca(NO
3
)
2
solution containing initially 5, 10, 25, and 100 mg Zn L
–1
for 30 min, 2 h, ... Applications.
2:13 5-1 44 .
Ratner-Zohar, Y., A. Banin, and Y. Chen, 1983. Oven drying as a pretreatment for surface
area determination of soils and clays, Soil Soc. Am. J. 47 :105 6-...
Heavy Metals Release in Soils - Chapter 7 pptx
... Equilibrium partitioning of heavy metals in dutch field soils. II.
Prediction of metal accumulation in earthworms. Env. Tox. Chem. 16: 247 9-2 48 8.
Jopony, M. and S.D. Young. 19 94. The solid-solution equilibria ... 1 64 HEAVY METALS RELEASE IN SOILS
Harter, R.D. 1983. Effect of soil pH on adsorption of lead, copper, zinc, and nickel. Soil Sci.
Soc. Am. J. 47 :4 7-5...
Heavy Metals Release in Soils - Chapter 9 pot
... plants.
In nonaccumulator plants, Se is found in the form of protein-bound selenome-
thionine, whereas in accumulator plants it is found in a water-soluble and nonprotein
form such as Se-methylselenocysteine. ... partitioning in tomato plants in relation to sulfate concen-
tration in soil, in Contaminated Soils: Third International Conference on the Bio-
geochemistry of Trace...
Heavy Metals Release in Soils - Chapter 10 potx
... K
2
SO
4
> NaNO
3
. Amounts of As extracted also increased with increas-
ing carbonate concentrations.
Arsenic-Bearing Phases in Mine Sites
Some studies reported that, in As-contaminated soils, ... 2001 2 :43 PM
© 2001 by CRC Press LLC
226 HEAVY METALS RELEASE IN SOILS
for the use of kinetic or time-dependent models in soils have been suggested (Skopp,
1986). First, ma...
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 4 docx
... out pioneering works in applying Gouy-Chapmann and Stern
models to kaolinitic soils. Since then, many articles in which modeling is performed
have appeared in the literature.
26 ,40 44
More recently, ... Clay Miner., 36, 141 , 1988.
14. Avena, M.J., Mariscal, M., and De Pauli, C.P., Proton binding at clay surfaces in
aqueous media, in Proceedings of 12th International Clay Confe...
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 8 ppsx
... meetings and journal articles. Many studies can be found
in the literature detailing the use of this technique in order to speciate metals in
soils and sediments.
3,31 ,41 ,43 ,45 ,47 ,51, 54
−
... and maintained during a 2 4- h
FIGURE 8.5 Normalized Zn-EXAFS k
3
-weighted chi spectra of reference materials and
sorption samples used as empirical models for linear combination fit...
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 10 ppsx
... Keefer et al.
(19 84) pointed out that the HiB fraction mainly consisted of the N-containing group,
including most amino acids, amino sugar, low-molecular-weight amines, and pyri-
dine, while the ... HiB HiN HoA HoB HoN
Green manure 32. 84 7.71 37.86 78 .41 4. 03 1.62 15.93 21.58
Rice residue 41 .78 3.32 10. 74 58.55 6.89 4. 80 29.75 41 .45
Pig manure 25.22 12.71 7 .42 45 .35 44 .1...
Real Options in practice Chapter 4 ppsx
... 300
FIGURE 4. 10 Option value sensitivity to time uncertainty for at- and in- the-money
options
We will provide a binomial model that allows incorporating and varying all
these parameters. Figure 4. 12 ... PRACTICE
TABLE 4. 5 The value of the put option under time uncertainty
Expected Time of Maturity Expected Time to Maturity
(years) (years)
12 34 1 2 345
4. 00 3.98 2.63 5.37 4. 00...
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 2 pps
... Contaminated Soils, EPA- 542 -R-97–0 04, USEPA, Washington, D.C., 1997.
3. Forstner, U., Land contamination by metals: Global scope and magnitude of problem,
in Metal Speciation and Contamination ... concentrations in the eluent were determined by placing 200 ml of the
sample into a Bio-Tek multichannel (optical densitometer with fiber-optics technol-
ogy; Bio-Tek Instruments, Inc., Wino...