Environmental Soil Chemistry - Chapter 5 doc

... Table 5. 4. -1 .0 -0 .8 -0 .6 -0 .4 -0 .2 0 0 -5 0 -1 00 -1 50 -2 00 -2 50 -1 .0 -0 .8 -0 .6 -0 .4 -0 .2 0 0 -5 0 -1 00 -1 50 -2 00 -2 50 NET SURFACE CHARGE, cmol cm -2 x 10 -7 1M 0.01M 0.1M 0.001M GOUY-CHAPMAN GOUY-CHAPMAN GOUY-CHAPMAN GOUY-CHAPMAN STERN STERN STERN STERN ACROHUMOX ... Reference Oxyanion Arsenite 5. 5,...

Ngày tải lên: 13/08/2014, 02:20

... exchange b Kerr K K = {K -soil} [Na + ] c K K = {K -soil} 2 [Ca 2+ ] {Na -soil} [K + ] {Ca -soil} [K + ] 2 Vanselow d K V = {K -soil} [Na + ] , K V = {K -soil} 2 [Ca 2+ ] {Na -soil} [K + ] [ {Ca -soil} [K + ] 2 ] or ... K V = {K -soil} 2 [Ca 2+ ] {Na -soil} [K + ] [ {Ca -soil} [K + ] 2 ] or K V = K K 1 [ {K -soil} + [Ca -soil] ] or K K 1 [ {K -soil} + [Ca -soil] ] Krishnamoorthy– K KO =...

Ngày tải lên: 13/08/2014, 02:20

... 1GB, UK. 6 -8 .0 -8 .2 -8 .4 -8 .6 -8 .8 -9 .0 -9 .0 -5 .8 -5 .6 -5 .4 5 4 3 pH 3.1 log C S H δ -Al 2 O 3 log R H 1 FIGURE 7.27. The dependence of the rate of proton-promoted dissolution of γ-Al 2 O 3 , ... (Furrer and Stumm, 1986). Kinetics of Important Soil Chemical Processes 243 15 10 5 0 0 0 .5 1.0 1 .5 R L , [10 -9 mol m -2 h -1 ] C L...

Ngày tải lên: 13/08/2014, 02:20

... characterize well-aerated soils. Thus, redox measurements are most reliable for flooded soils and sediments. Measurement and Use of Redox Potentials 253 35 25 15 5 -5 -1 5 01 23 456 78910 Co(III,II) Cr(VI,III) Pu(IV,III) Mn 2+ Mn 3+ MnO 2 H 2 O O 2 Mn 3 O 4 MnO 2 Mn 3+ Mn 2+ H 2 O H 2 pe pH Se(VI,IV) As(V,III) V(V,III) FIGURE ... Organic Pollutants 259 5. 0 4.0 3.0 2.0 1.0 10...

Ngày tải lên: 13/08/2014, 02:20

... Figure 5. 5. Again there will be a tendency Arnold Verruijt, Soil Mechanics : 5. STRESSES IN A LAYER 36 5. 4 Solve the same problem if the depth of the water is 15 m. And when it is 100 m. 5. 5 A certain ... relation be- tween effective stress and deformation must be consid- ered. Subsidence of the soil can also be caused by the extrac- tion of gas or oil from soil layers. The reser...

Ngày tải lên: 05/08/2014, 23:24

... vapor = ( 15, 500)/[ 15, 500 + 6100] = 71.8% ← toluene. d. The mass concentration can be found by using Eq. II.1.1 as 1 ppmV toluene = (92.1)/24. 05 = 3.83 mg/m 3 So, 15, 500 ppmV = ( 15, 500)(3.83) ... least 255 (= 27,720/78.1) void volumes of fresh air to supply sufficient oxygen for complete biodegradation. The mini- mum fresh air requirement = ( 255 )(V air void ) = ( 255 )(280...

Ngày tải lên: 10/08/2014, 20:20

... Control Number: 2002104 258 International Standard Book Number: 0-1 2-6 56 44 6-9 PRINTED IN THE UNITED STATES OF AMERICA 02 03 04 05 06 07 CTP 9 8 7 6 5 4 3 2 1 Environmental Soil Chemistry Second Edition Donald ... ix CHAPTER 6 CHAPTER 7 Environmental Soil Chemistry Second Edition For Joy and my doctoral advisors, David C. Martens and Lucian W. Zelazny Preface Si...

Ngày tải lên: 13/08/2014, 02:20

... <0.3–8.4 0.1–1 0. 05 0.2 0. 15 1.4 1.0 0 .5 0. 05 0. 05 Chromium 1000–3400 40–600 2–90 30 59 0 26–1000 — — — 1800 200 20 120 100 90 10 35 Cobalt 90–270 24–90 1– 15 5– 25 7–100 — — — 150 50 5 20 10 74 0.1 ... — 0.3 1 .5 1.4 2 .5 10 27 0.4 0.2 Nickel 270–3600 45 410 2–20 20– 250 10 50 0 — — — 2000 140 8 68 50 2 25 20 2 Selenium 0. 05 0. 05 0. 05 0.6 — 0.17 0.08 0. 05 Vana...

Ngày tải lên: 13/08/2014, 02:20

... cell d SiO 2 50 . 95 60.06 3.390 31.376 7.844 Al 2 O 3 16 .54 101.94 0.974 9.0 15 3.0 05 Fe 2 O 3 1.36 159 .69 0. 055 0 .50 9 0.170 FeO 0.26 71. 85 0.007 0.0 65 0.033 MgO 4. 65 40.30 0.231 2.138 1.069 CaO 2.26 56 .08 ... 0.01–0 .50 0. 05 0.19 I 1.2 <0 .5 9.6 5 0.10– 25 0.14 16 K 15, 000 50 –63,000 14,000 80–37,000 21,000 20,000 La 37 <30–200 40 2–180 32 41 Li 24 < ;5 140...

Ngày tải lên: 13/08/2014, 02:20

... 1.2 0.2 1 .5 1.2 Glycine 11.2 10.9 11.1 12.6 13 .5 13.1 11.2 Alanine 7.6 8 .5 8.3 7.4 9.1 8.9 7.9 Valine 5. 4 6.2 5. 9 4.1 3.6 6.0 3.8 Leucine 5. 1 5. 8 5. 1 3.0 1.7 5. 3 4.4 Isoleucine 3.3 3 .5 3 .5 1.8 1.7 ... sulfur. Reprinted from Buffle (1984), by courtesy of Marcel Dekker, Inc. Cl - CO 3 S-OH -COOH -OH N org -8 -6 -4 log C, M 2 SO 4 2- F - PO 4 3- S...

Ngày tải lên: 13/08/2014, 02:20