Environmental Soil Chemistry - Chapter 3 pptx

... 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 3. 0 2.2 Serine 5.0 4.8 4.9 5.2 4 .3 5.7 ... 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-...

Ngày tải lên: 13/08/2014, 02:20

... Al 2 O 3 (c) + 3H + Al 3+ + 1.5 H 2 O 11.49 2 0.5 α – Al 2 O 3 (corundum) + 3H + Al 3+ + 1.5 H 2 O 9. 73 3 Al(OH) 3 (amorphous) + 3H + Al 3+ + 3H 2 O 9.66 4 α – Al(OH) 3 (bayerite) + 3H + Al 3+ + 3H 2 O ... HPO 4 2– Inorganic ions of charge 3 + Al 3+ , Fe 3+ , Cr 3+ , Se 3+ , 0.90 0. 730 0.540 0.445 0.245 0.180 Y 3+ , La 3+ , In 3+ , Ce 3+ , Pr 3+ , Nd 3+...

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... 2002104258 International Standard Book Number: 0-1 2-6 5644 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 L. Sparks University ... contains new information on soil and water quality (Chapter 1), carbon sequestration (Chapter 3) , and surface nucleation/precipitation (Chapter 5) and...

Ngày tải lên: 13/08/2014, 02:20

... 8.6 3 18 — — 6.0 <0.1–55 — — Mn 194 32 –527 500 150–2,500 517 73 3, 861 2,660 610 Mo 14 .3 1–40 7 2 30 — — 13 8 Ni 235 36 –562 510 20–5 ,30 0 121 16–2,120 38 0 35 0 Pb 1, 832 136 –7,627 820 120 3, 000 281 ... 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. Environme...

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... cell d SiO 2 50.95 60.06 3. 390 31 .37 6 7.844 Al 2 O 3 16.54 101.94 0.974 9.015 3. 005 Fe 2 O 3 1 .36 159.69 0.055 0.509 0.170 FeO 0.26 71.85 0.007 0.065 0. 033 MgO 4.65 40 .30 0. 231 2. 138 1.069 CaO 2.26 ... H 2 O) (Si 3. 67 Al 0 .33 )Fe 2 3+ O 10 (OH) 2 Saponite Saponite (M 0 .33 , H 2 O) (Si 3. 67 Al 0 .33 )Mg 3 O 10 (OH) 2 (trioctahedral) Hectorite (M 0 .33 , H 2 O) Si...

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... 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 ... (1995) (B(OH) 3 ) and DRIFT-FTIR tetrahedr...

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... 4.0×10 3 1.99×10 3 8.06×10 3 5 .31 ×10 3 0.6 030 0 .39 70 92.95 4. 53 0. 432 5 7.0×10 3 9.90×10 –4 8. 63 10 3 2.21×10 3 0.7959 0.2041 51.16 3. 93 0.661 6 8.5×10 3 4.99×10 –4 1.17×10 –2 1 .34 ×10 3 0.8971 ... 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–...

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... 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 , R H (mol ... applied 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 So...

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... 1/6NH 2 OH + 1/3H 2 O 11 .3 5.4 3. 1 1/6N 2 + e – + 4/3H + = 1/3NH 4 + 4.6 –0.7 3. 3 Oxygen species 1/2O 3 + e – + H + = 1/2O 2 + 1/2H 2 O 35 .1 28.4 26.4 OH· + e – = OH – 33 .6 33 .6 33 .6 O 2 – + e – + ... 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...

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... H + formed from the hydrolysis of Al 3+ . The overall reaction of lime with an acid soil can be expressed as 2Al -soil + 3CaCO 3 + 3H 2 O → 3 Ca -soil + 2Al(OH) 3 + 3CO 2 . (9.8) One sees that the products ... Mineralogical Society. Increasing NaOH/Al NaOH Al =2. 2-2 .7 NaOH Al =3. 0 -3 .3 12+ 9+8+ 18+ NaOH Al =0. 3- 2 .1 [Al 10 (OH) 22 ] 8 + •16H 2 O 0.8 + /Al [Al 13 (OH)...

Ngày tải lên: 13/08/2014, 02:20