Environmental Soil Chemistry - Chapter 4 pptx

... 1.06 Zn 42 .38 49 .25 2. 94 0.06 0.87 0.16 4. 34 Metal–ligand complexes (%) Ligand Free ligand Ca Mg K Na Cu Zn 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 ... 0.370 Hg 2 2+ , SO 4 2– , SeO 4 2– , 0 .40 0.867 0. 740 0.660 0 .45 5 0.355 CrO 4 2– , HPO 4 2– Inorganic ions of charge 3 + Al 3+ , Fe 3+ , Cr 3+ , Se 3+ , 0.90 0.730...

Ngày tải lên: 13/08/2014, 02:20

... nitrogen and sulfur. Reprinted from Buffle (19 84) , 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 ... 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...

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... Control Number: 20021 042 58 International Standard Book Number: 0-1 2-6 5 644 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 ... students in soil science and for students and professionals in environmental chemistry and engineering, marine studies, and geochemistry. Writing the secon...

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... 1 04 7 44 4 <200 <60–1,500 13 2–171 38 4. 5 Co 9.6 4 18 24 2–260 15 2–113 19 21 Cr 1 ,44 1 169– 14, 000 980 40 –8,800 872 20 40 ,615 1,960 850 Cu 1, 346 45 8–2,890 970 200–8,000 791 52–3,300 1,600 ... 111 49 2 160 40 –700 — — — 80 Ti 2,331 1,080 4, 580 2,000 <1,000 4, 500 — — — 4, 700 V 40 .6 15–92 75 20 40 0 — — 15 80 W 20.2 1–100 — — — — — — Zn 2,132 560–6,890 4, 100 700...

Ngày tải lên: 13/08/2014, 02:20

... 0.715–0.720 Montmorillonite 1 .4 1 .4 1 .4 1.0 1.82 1 .42 Vermiculite 1 .4 1 .4 1.0 1.0 1 .4 1 .4 Mica 1.0 1.0 1.0 1.0 1.0 1.0 Chlorite 1 .4 1 .4 1 .4 1 .4 1 .4 1 .4 Hydroxy- 1 .4 d-spacing decreases with increased 1 .4 1 .4 interlayered ... Inorganic Soil Minerals a IR (nm) Radius ratio b CN O 2– 0. 140 — — F 0.133 — — Cl – 0.181 — — Si 4+ 0.039 0.278 4 Al 3+ 0.051 0.3...

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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 ... (1997) gibbsite goethite 5.2–7.2 γ-Al 2 O...

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... 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 =...

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... 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 , ... extraction for 2 4- hr periods (each replenishment represents a 2 4- hr extraction) with HNO 3 at pH 6.0. From Scheckel et al. (2001), with permission. H...

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... 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 -2 M Pa) C H 4 M o O 4 ( 1 0 - 6 M ) M oO 2 NH 4 (10 -4 M) + SO 4 S 2- O 2 O 2 – . MnO 2 Mn 3+ (10 -4 M) C H 2 =C H 2 C O 2 (2.0x10 -3 ... Soils 25 20 15 10 5 0 -5...

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... permission. 0 .4 0.3 0.2 0.1 0 0 2 040 6080 Ca(OH) 2 , cmol kg -1 Conductivity, dS m -1 a) O μmol Al g -1 b) 1 24 μmol Al g -1 c) 519 μmol Al g -1 a) b) c) 278 9 The Chemistry of Soil Acidity and ... 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) 30 ] 3 + •18H 2 O 0.7 + /Al [Al...

Ngày tải lên: 13/08/2014, 02:20