Environmental Soil Chemistry - Chapter 8 doc

... 19 .8 9 .8 5 .8 1/4NO 3 – + e – + 5/4H + = 1/8N 2 O + 5/8H 2 O 18. 9 12.1 9.6 1/6NO 2 – + e – + 4/3H + = 1/6NH 4 + + 1/3H 2 O 15.1 8. 4 5.7 1/8NO 3 – + e – + 5/4H + = 1/8NH 4 + + 3/8H 2 O 14.9 8. 6 ... H C rO 4 C r 3 + N O 3 (2x10 -4 M) - N O 2 (4x10 -6 M) - C H =CH CH 2 =C H 2 – F e (O H ) 3 F e 2 + (1 0 - 4 M ) C r O 2 C rO 4 – 2 - – C u + C u 2 + N 2 (8. 1x10...

Ngày tải lên: 13/08/2014, 02:20

... 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 ... (2001) 5, 8 Fe(OH) 3 Inner-sphere ATR-FTI...

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 , ... to soils, can be expressed as (q t /q ∞ ) = 4 Dt 1/2 /r 2 – Dt/r 2 , (7.13) π 1/2 In t, h (C 0 - C), μmol dm -3 Porirua Soil Okaihau Soil r...

Ngày tải lên: 13/08/2014, 02:20

... 293 7.7 3 .8 393 7 .8 55 0.1 16 7.3 0 776 14 Vermont 15 18 9.5 0.4 4.6 1.9 0 0.3 0 0.4 50 0 Virginia 82 125 28 5 .8 7 .8 107 0 2.6 0 0.4 3 58 0 Washington 631 125 24 81 9 24 133 0 2 .8 0 0.5 1, 780 0 West ... 42 New Hampshire . . 31 31 12 0.3 0.6 5.6 0 0 0 0 .8 81 0 New Jersey 387 88 17 32 1.5 43 0 2.4 0 1.9 580 0 New Mexico 277 28 18 1, 280 26 6.3 0 81 0 9.3 1,700 0 New York 5...

Ngày tải lên: 11/08/2014, 04:20

... ix CHAPTER 6 CHAPTER 7 Environmental Soil Chemistry Second Edition For Joy and my doctoral advisors, David C. Martens and Lucian W. Zelazny Preface Since the first edition of Environmental Soil ... students in soil science and for students and professionals in environmental chemistry and engineering, marine studies, and geochemistry. Writing the second edition of Environm...

Ngày tải lên: 13/08/2014, 02:20

... 980 40 8, 800 87 2 20–40,615 1,960 85 0 Cu 1,346 4 58 2 ,89 0 970 200 8, 000 791 52–3,300 1,600 720 F 167 370–739 — — — — — — Hg 8. 6 3– 18 — — 6.0 <0.1–55 — — Mn 194 32–527 500 150–2,500 517 73–3 ,86 1 ... contaminants in water and soil and their impact on plant, animal, and human health, the emphasis of soil chemistry is now on environmental soil chemistry. Environmental...

Ngày tải lên: 13/08/2014, 02:20

... α-Al(OH) 3 Boehmite γ-AlOOH Corundum Al 2 O 3 Diaspore α-AlOOH Gibbsite γ-Al(OH) 3 Iron oxides Akaganeite β-FeOOH Ferrihydrite Fe 5 HO 8 ·4H 2 O Feroxyhyte δ-FeOOH Goethite α-FeOOH Hematite α-Fe 2 O 3 Lepidocrocite ... to collapse. With the K-saturated samples, temperatures of 2 98, 383 , 573, and 82 3 K should be used. For Mg-saturated samples, temperatures of 2 98 and 383 K are employe...

Ngày tải lên: 13/08/2014, 02:20

... nitrogen and sulfur. Reprinted from Buffle (1 984 ), 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 org LS LH X “Simple” ligands Sites of ... Several Tropical Soils a,b Soil number c Humic acid Fulvic acid Humin Amino acid 2 3 5 2 5 2 5 Acidic Aspartic acid 13.0 11.7 11 .8 26.1 23.1 11 .8 23.2 Glutamic...

Ngày tải lên: 13/08/2014, 02:20

... H CO 3 0.50 b 3.26 0. 38 0.06 0.44 0.06 0.24 95.05 SO 4 76.07 18. 71 2.43 0.36 2.40 — 0.04 — Cl 98. 80 0 .80 0.10 0.04 0.25 — — — PO 4 38. 22 9.19 0. 38 0. 38 1. 98 0.13 0.50 49.59 NO 3 98. 45 1.01 0.41 0.05 0. 08 — — ... 0.43 0.23 0. 68 — Mg 91.95 1.60 4.02 0.35 0.33 1.72 0.03 K 99.29 0.14 0.36 0. 08 — 0.12 — Na 98. 97 0.27 0. 58 0.12 0.01 0.05 — Cu 1 .86 95.26 0.13 — 1. 68 — 1.06...

Ngày tải lên: 13/08/2014, 02:20